diff --git a/basic/Testserver.py b/basic/Testserver.py
index 6406b4b..c7477b7 100644
--- a/basic/Testserver.py
+++ b/basic/Testserver.py
@@ -147,7 +147,7 @@ class Testserver():
         :return:
         """
         table = model.table.Table(job)
-        table = table.read_entity(job, tablename, project)
+        table = table.read_entity(job, tablename)
         sql = table.get_schema(project=project, tableName=tablename, tableObject=table)  # [B.DATA_NODE_TABLES][m[:-4]]
         job.m.logInfo(sql)
         for s in sql.split(";\n"):
diff --git a/basic/constants.py b/basic/constants.py
index 9f329a9..480b4ad 100644
--- a/basic/constants.py
+++ b/basic/constants.py
@@ -323,6 +323,8 @@ DATA_NODE_HEADER = "_header"
 """ it defines a subnode of a table for the field-list, used for ddl """
 DATA_NODE_FIELDS = "_fields"
 """ it defines a subnode of a table for the data as key-value-pair, keys from header """
+DATA_NODE_DDLFIELDS = "_ddlfields"
+""" it defines a subnode of a table for the data as key-value-pair, keys from header """
 DATA_NODE_DATA = "_data"
 """ it defines the main node in the testdata for the steps to execute """
 DATA_NODE_STEPS = SUBJECT_STEPS # "_step"  ## ?? SUBJECT
@@ -336,6 +338,9 @@ DATA_NODE_TABLES = "_tables"  # ?? SUBJECT
 DATA_NODE_KEYS = "_keys"
 """ This constant defines the node for data scheme (DataDefinitionLanguage) 
 The fields are defined in data_const (D) """
+DATA_NODE_DDLKEYS = "_ddlkeys"
+""" This constant defines the node for data scheme (DataDefinitionLanguage) 
+The fields are defined in data_const (D) """
 DATA_NODE_DDL = "ddl"  # ?? TOPIC
 DATA_NODE_COMP = "comp"  # ?? SUBJECT
 """ This constant defines """
@@ -344,8 +349,9 @@ DATA_NODE_CATALOG = "_catalog"
 DATA_NODE_ROW = "_row"
 DATA_NODE_SUBTABLES = "subtables"  # ?? SUBJECT
 DATA_NODE_TOPICS = "_topics"
+DATA_NODE_PATH = "_path"
 LIST_DATA_NODE = [DATA_NODE_HEADER, DATA_NODE_DATA, DATA_NODE_DDL, DATA_NODE_TOPICS,
-                  DATA_NODE_TABLES, DATA_NODE_STEPS, DATA_NODE_OPTION, DATA_NODE_ROW]
+                  DATA_NODE_TABLES, DATA_NODE_STEPS, DATA_NODE_OPTION, DATA_NODE_ROW, DATA_NODE_PATH]
 
 # -- Parameter ------------------------------------------------
 #  ____                                _
diff --git a/model/application.py b/model/application.py
index 0ef793d..1de0ceb 100644
--- a/model/application.py
+++ b/model/application.py
@@ -198,19 +198,12 @@ class Application(model.entity.Entity):
     project = {}
     """
     FIELD_ID = "apid"
-    FIELD_NAME = D.FIELD_NAME
-    FIELD_DESCRIPTION = B.SUBJECT_DESCRIPTION
-    FIELD_REFERENCE = B.SUBJECT_REFERENCE
-    FIELD_PROJECT = B.SUBJECT_PROJECT
-    LIST_FIELDS = [FIELD_ID, FIELD_NAME, FIELD_DESCRIPTION, FIELD_REFERENCE, FIELD_PROJECT]
+    LIST_FIELDS = [FIELD_ID, D.FIELD_NAME, B.SUBJECT_DESCRIPTION, B.SUBJECT_REFERENCE, B.SUBJECT_PROJECT]
     """ list of object-attributes """
     LIST_NODES = [B.NODE_ATTRIBUTES]
     LIST_SUBTABLES = [B.SUBJECT_APPS, B.SUBJECT_COMPS, B.SUBJECT_RELS, B.SUBJECT_USECASES]
     PREFIX_SUBTABLE = "ap"
 
-    def __init__(self, job):
-        self.job = job
-
     def read_unique_names(self, job, project, application, gran, args):
         """
         reads the entity-names from file-storage
@@ -221,7 +214,8 @@ class Application(model.entity.Entity):
         :param opt. args additional args
         :return: list of entity-names
         """
-        config = self.getConfig(job, P.KEY_BASIC, B.SUBJECT_APPS, tools.config_tool.get_plain_filename(job, ""))
+        config = self.getConfig(job, P.KEY_BASIC, B.SUBJECT_APPS,
+                                tools.config_tool.get_plain_filename(job, ""), ttype=B.SUBJECT_APP)
         outList = list(config[B.SUBJECT_APPS].keys())
         return outList
 
@@ -232,40 +226,34 @@ class Application(model.entity.Entity):
         :param name:
         :return:
         """
-        config = self.getConfig(job, P.KEY_BASIC, B.SUBJECT_APPS, tools.config_tool.get_plain_filename(job, name))
-        return self.setAttributes(job, config, name, LIST_FIELDS, LIST_NODES, LIST_SUBTABLES)
-
-    def getFieldList(self):
-        """
-        returns a list of scalar attributes
-        :return: LIST_FIELDS
-        """
-        return LIST_FIELDS
-
-    def getNodeList(self):
-        """
-        returns a list of sub-nodes - which can be persisted in a clob-field
-        :return: LIST_NODES
-        """
-        return LIST_NODES
+        config = self.getConfig(job, P.KEY_BASIC, B.SUBJECT_APPS,
+                                tools.config_tool.get_plain_filename(job, name), ttype=B.SUBJECT_APP)
+        return self.setAttributes(job, config, name, self.LIST_FIELDS, self.LIST_NODES, self.LIST_SUBTABLES)
 
-    def getSubtableList(self):
+    @staticmethod
+    def rebuild_data(job, data: dict) -> dict:
         """
-        returns a list of sub-tables
-        :return: LIST_SUBTABLES
-        """
-        return LIST_SUBTABLES
-
-    def getName(self):
-        """
-        returns the name - maybe build from other attributes
+        gets the subtable-tag from filecsv and sets the subtables in order to workable entity-elements
+        :param job:
+        :param data:
         :return:
         """
-        return self.name
+        data = tools.file_type.popSubjectsNode(job, data)
+        data = tools.file_type.popNameNode(job, data)
+        return data
 
-    def getIDName(self):
+    def check_data(self, job, data: dict) -> dict:
         """
-        it returns the name as unique-id - maybe build from few attributes
+        it checks the data for the specific form
+        :param job:
+        :param tdata:
+        :param ttype:
         :return:
         """
-        return self.name
+        import tools.file_type
+        checkNodes = {}
+        checkNodes[tools.file_type.MUST_NODES] = []
+        checkNodes[tools.file_type.MUSTNT_NODES] = [B.DATA_NODE_DATA, B.DATA_NODE_HEADER, B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS] + B.LIST_SUBJECTS
+        checkNodes[tools.file_type.OPT_NODES] = []
+        return tools.file_type.check_nodes(job, data, checkNodes)
+
diff --git a/model/datatable.csv b/model/datatable.csv
index 275a7de..d728486 100644
--- a/model/datatable.csv
+++ b/model/datatable.csv
@@ -2,10 +2,13 @@ _type;ctlg;;;;;;;;;
 _key;_field;;;;;;;;;
 table:datatable;_field;type;format;index;generic;aggregat;key;acceptance;alias;description
 ;dtid;pk;integer;N;;;T:1;;;
-;name;str;vchar(256);I;;;F:1;;;
+;name;str;vchar(256);I;;;F:3;;;
+;database;str;vchar(256);I;;;F:1;;;
+;schema;str;vchar(256);I;;;F:2;;;
 ;description;string;vchar(256);N;;;;;;
 ;reference;str;vchar(256);N;;;;;;story
 ;attributes;jlob;clob;N;;;;;;
+;fieldnames;jlob;clob;N;;;;;;
 ;insauthor;str;vchar(256);N;;;;;;
 ;inscommit;str;vchar(256);N;;;;;;
 ;instime;time;datetime;N;;;;;;
diff --git a/model/entity.py b/model/entity.py
index ddd99be..2bb1cdc 100644
--- a/model/entity.py
+++ b/model/entity.py
@@ -86,7 +86,7 @@ class Entity:
             entityNames = self.read_unique_names(job, project, application, gran, args)
         else:
             entityNames = self.read_unique_names(job, project, application, gran, args)
-        return entityNames
+        return [item for item in entityNames if item not in B.LIST_DATA_NODE]
 
     def get_entities(self, job, storage="", project="", application="", gran="", args={}):
         """
@@ -364,6 +364,8 @@ class Entity:
             if verify: print("setFields " + str(k) + " = " + str(config[rootname][key]))
             if k in fields:
                 setattr(self, tools.data_tool.getSingularKeyword(k), tools.data_tool.getValueStr(config[rootname][key]))
+            elif k == "fieldnames":
+                setattr(self, tools.data_tool.getPluralKeyword(k), config[rootname][key])
             else:
                 setattr(self, tools.data_tool.getSingularKeyword(k), config[rootname][key])
         setattr(self, D.FIELD_NAME, rootname)
@@ -377,7 +379,7 @@ class Entity:
             if key == "":
                 continue
             for o in config[rootname][key]:
-                if o in [B.DATA_NODE_DATA, B.DATA_NODE_HEADER, B.DATA_NODE_FIELDS, B.DATA_NODE_ROW]:
+                if o in [B.DATA_NODE_DATA, B.DATA_NODE_HEADER, B.DATA_NODE_FIELDS, B.DATA_NODE_ROW, B.DATA_NODE_PATH]:
                     continue
                 args = {}
                 args[k] = config[rootname][key][o]
diff --git a/model/table.py b/model/table.py
index d463b50..3bcc93c 100644
--- a/model/table.py
+++ b/model/table.py
@@ -15,17 +15,6 @@ import tools.git_tool
 TABLE_NAME = "table"
 """ system-name for this entity """
 FIELD_ID = "tbid"
-FIELD_NAME = D.FIELD_NAME
-FIELD_DESCRIPTION = B.SUBJECT_DESCRIPTION
-FIELD_REFERENCE = B.SUBJECT_REFERENCE
-FIELD_ATTRIBUTES = B.NODE_ATTRIBUTES
-FIELD_PROJECT = B.SUBJECT_PROJECT
-FIELD_APPLICATION = B.SUBJECT_APP
-LIST_FIELDS = [FIELD_ID, FIELD_NAME, FIELD_DESCRIPTION, FIELD_REFERENCE]
-""" list of object-attributes """
-LIST_NODES = [B.DATA_NODE_HEADER, B.DATA_NODE_DATA, B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS]
-
-LIST_SUBTABLES = {}
 
 DEFAULT_FIELD = ""
 DEFAULT_TYPE = "string"
@@ -69,6 +58,12 @@ class Table(model.entity.Entity):
     nor a concrete table in the system-model
     it is an abstract super-class in order to relation to the database-management-system
     """
+    FIELD_ID = "tbid"
+    LIST_FIELDS = [FIELD_ID, D.FIELD_NAME, B.SUBJECT_DESCRIPTION, B.SUBJECT_REFERENCE, B.SUBJECT_PROJECT]
+    """ list of object-attributes """
+    LIST_NODES = [B.NODE_ATTRIBUTES, "fielddef", "fieldnames"]
+
+    LIST_SUBTABLES = []
     tbid = 0
     name = ""
     project = ""
@@ -121,70 +116,38 @@ class Table(model.entity.Entity):
         """
         return sql
 
-    # def read_unique_names(self, job, project, application, gran, args):
+    def read_unique_names(self, job, project="", application="", gran= "", args={}) -> list:
+        return []
     # table is not an real entity
 
-    # def read_entity(self, job, name, project=""):
+    def read_entity(self, job, name: str, args: dict={}):
+        return self.read_ddl(job, name, args=args)
     # table is not an real entity
 
-    def getFieldList(self):
-        """
-        returns a list of scalar attributes
-        :return: LIST_FIELDS
-        """
-        return LIST_FIELDS
-
-    def getNodeList(self):
-        """
-        returns a list of sub-nodes - which can be persisted in a clob-field
-        :return: LIST_NODES
-        """
-        return LIST_NODES
-
-    def getSubtableList(self):
-        """
-        returns a list of sub-tables
-        :return: LIST_SUBTABLES
-        """
-        return LIST_SUBTABLES
-
-    def getName(self):
-        """
-        returns the name - maybe build from other attributes
-        :return:
-        """
-        return self.name
-
-    def getIDName(self):
+    def read_ddl(self, job, name, args: dict={}):
         """
-        it returns the name as unique-id - maybe build from few attributes
+        reads the ddl of the table depending on context
+        a) component: the ddl is read from specific or general component-folder
+        b) testcase: the ddl is read from general component-folder
+        c) testserver: the ddl is read from model-folder
+        :param job:
+        :param name:
+        :param context:
         :return:
         """
-        return self.name
-
-    def read_ddl(self, job, name):
-        ddl = tools.config_tool.getConfig(job, D.DDL_FILENAME, self.component, name)
-        self.fieldnames = []
-        fielddef = {}
-        if B.DATA_NODE_TABLES in ddl and name in ddl[B.DATA_NODE_TABLES]:
-            ddl = ddl[B.DATA_NODE_TABLES][name]
-            for k in ddl[B.DATA_NODE_DATA]:
-                if not isinstance(k, dict) \
-                or D.DDL_FIELD not in k:
-                    continue
-                ddl[k[D.DDL_FIELD]] = k
-        for f in ddl:
-            if f in [B.DATA_NODE_HEADER, B.DATA_NODE_FIELDS, B.DATA_NODE_DATA]:
-                continue
-            field = {}
-            self.fieldnames.append(f)
-            for k in D.LIST_DDL_ATTR:
-                if k in ddl[f]:
-                    field[k] = ddl[f][k]
-                else:
-                    field[k] = DEFAULTS[k]
-            fielddef[f] = field
-        self.fielddef = fielddef
+        if "context" in args:
+            if args["context"] == "component":
+                ddl = tools.config_tool.getConfig(job, D.DDL_FILENAME, self.component.name, name, ttype=D.CSV_SPECTYPE_DDL)
+            elif args["context"] == "testdata":
+                ddl = tools.config_tool.getConfig(job, D.DDL_FILENAME, args["context"], name, ttype=D.CSV_SPECTYPE_DDL)
+            elif args["context"] == B.ATTR_INST_TESTSERVER:
+                ddl = tools.config_tool.getConfig(job, D.DDL_FILENAME, B.ATTR_INST_TESTSERVER, name, ttype=D.CSV_SPECTYPE_DDL)
+        config = {}
+        if "_name" in ddl:
+            config[ddl["_name"]] = ddl
+        else:
+            config = ddl
+        return self.setAttributes(job, config, name, self.LIST_FIELDS, self.LIST_NODES, self.LIST_SUBTABLES)
 
     def select_entity(self, job, name):
         """
diff --git a/model/user.py b/model/user.py
index b2adafb..2af5716 100644
--- a/model/user.py
+++ b/model/user.py
@@ -259,8 +259,8 @@ class User(model.entity.Entity):
         self.setDbAttributes(job, [TABLE_NAME])
         dbi = basic.toolHandling.getDbTool(job, self, job.conf[B.TOPIC_NODE_DB]["type"])
         condition = "where"
-        if B.DATA_NODE_KEYS in self.conf[B.DATA_NODE_DDL][table]:
-            keys = self.conf[B.DATA_NODE_DDL][table][B.DATA_NODE_KEYS]
+        if B.DATA_NODE_DDLKEYS in self.conf[B.DATA_NODE_DDL][table]:
+            keys = self.conf[B.DATA_NODE_DDL][table][B.DATA_NODE_DDLKEYS]
         else:
             keys = self.conf[B.DATA_NODE_DDL][table]
         for f in IDENTIFYER_FIELDS:
diff --git a/test/test_14table.py b/test/test_14table.py
index 1db8b10..c38923d 100644
--- a/test/test_14table.py
+++ b/test/test_14table.py
@@ -11,13 +11,14 @@ import basic.constants as B
 import test.constants as T
 import model.table
 import model.entity
+import tools.data_const as D
 
 HOME_PATH = test.constants.HOME_PATH
 PYTHON_CMD = "python"
 TEST_FUNCTIONS = ["test_10getEntityNames", "test_11getEntities", "test_12getEntity",
                    # "test_14insertEntity", # "test_13writeEntity",
                   "test_20getSchema"]
-TEST_FUNCTIONS = []
+# TEST_FUNCTIONS = []
 PROGRAM_NAME = "clean_workspace"
 
 class MyTestCase(unittest.TestCase):
@@ -41,7 +42,7 @@ class MyTestCase(unittest.TestCase):
         self.assertEqual(type(entityNames), list)
 
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -68,20 +69,23 @@ class MyTestCase(unittest.TestCase):
         job = test.testtools.getJob()
         table = model.table.Table(job)
         name = "adress"
-        acttable = table.read_entity(job, name)
-        self.assertEqual(getattr(acttable, model.table.FIELD_NAME), name)
+        args = {}
+        args["context"] = "testdata"
+        acttable = table.read_entity(job, name, args=args)
+        self.assertEqual(getattr(acttable, D.FIELD_NAME), name)
         self.assertRaises(Exception, table.read_entity, job, "xyzxyz")
         #
         table = model.table.Table(job)
+        args["context"] = B.ATTR_INST_TESTSERVER
         name = B.SUBJECT_APP
-        acttable = table.read_entity(job, name, project=B.ATTR_INST_TESTSERVER)
-        self.assertEqual(getattr(acttable, model.table.FIELD_NAME), name)
+        acttable = table.read_entity(job, name, args=args)
+        self.assertEqual(getattr(acttable, D.FIELD_NAME), name)
         self.assertRaises(Exception, table.read_entity, job, "xyzxyz")
         #
         table = model.table.Table(job)
         name = "ap_application"
-        acttable = table.read_entity(job, name, project=B.ATTR_INST_TESTSERVER)
-        self.assertEqual(getattr(acttable, model.table.FIELD_NAME), name)
+        acttable = table.read_entity(job, name, args=args)
+        self.assertEqual(getattr(acttable, D.FIELD_NAME), name)
         self.assertRaises(Exception, table.read_entity, job, "xyzxyz")
 
     def test_20getSchema(self):
@@ -94,16 +98,18 @@ class MyTestCase(unittest.TestCase):
         job = test.testtools.getJob()
         table = model.table.Table(job)
         entityNames = table.read_unique_names(job, B.ATTR_INST_TESTSERVER, "", "", {})
+        args = {}
+        args["context"] = B.ATTR_INST_TESTSERVER
         name = "tc_table"
         print(name)
-        acttable = table.read_entity(job, name, project=B.ATTR_INST_TESTSERVER)
+        acttable = table.read_entity(job, name, args=args)
         schema = acttable.get_schema(name)
         print(schema)
         self.assertEqual("CREATE TABLE", schema[:12])
         self.assertIn(name, schema)
         for name in entityNames:
             print(name)
-            acttable = table.read_entity(job, name, project=B.ATTR_INST_TESTSERVER)
+            acttable = table.read_entity(job, name, args=args)
             schema = acttable.get_schema(name)
             print(schema)
             self.assertEqual("CREATE TABLE", schema[:12])
diff --git a/test/test_16project.py b/test/test_16project.py
index 5d03869..3a01bde 100644
--- a/test/test_16project.py
+++ b/test/test_16project.py
@@ -35,7 +35,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = project.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -99,7 +99,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = collectInnerList(project.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertIn(username, entityNames)
         actUser = project.select_entity(job, username)
-        self.assertEquals(getattr(actUser, model.project.FIELD_USERNAME), username)
+        self.assertEqual(getattr(actUser, model.project.FIELD_USERNAME), username)
         actUser.delete_entity(job, username, "project")
         entityNames = collectInnerList(project.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertNotIn(username, entityNames)
diff --git a/test/test_17release.py b/test/test_17release.py
index a1a7f21..a6702c3 100644
--- a/test/test_17release.py
+++ b/test/test_17release.py
@@ -36,9 +36,9 @@ class MyTestCase(unittest.TestCase):
         release = model.release.Release(job)
         entityNames = []
         entityNames = release.read_unique_names(job, "", "", "", {})
-        self.assertEquals(type(entityNames), list)
+        self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -102,7 +102,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = collectInnerList(release.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertIn(username, entityNames)
         actUser = release.select_entity(job, username)
-        self.assertEquals(getattr(actUser, model.release.FIELD_NAME), username)
+        self.assertEqual(getattr(actUser, model.release.FIELD_NAME), username)
         actUser.delete_entity(job, username, "release")
         entityNames = collectInnerList(release.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertNotIn(username, entityNames)
diff --git a/test/test_17story.py b/test/test_17story.py
index 2303457..7b8e160 100644
--- a/test/test_17story.py
+++ b/test/test_17story.py
@@ -35,9 +35,9 @@ class MyTestCase(unittest.TestCase):
         job = test.testtools.getJob()
         story = model.story.Story(job)
         entityNames = story.read_unique_names(job, "", "", "", {})
-        self.assertEquals(type(entityNames), list)
+        self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -92,7 +92,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = story.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertIn(username, entityNames)
         actUser = story.read_entity(job, username)
-        self.assertEquals(getattr(actUser, model.story.FIELD_NAME), username)
+        self.assertEqual(getattr(actUser, model.story.FIELD_NAME), username)
         actUser.remove_entity(job, username)
         entityNames = story.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertNotIn(username, entityNames)
@@ -117,7 +117,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = collectInnerList(story.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertIn(username, entityNames)
         actUser = story.select_entity(job, username)
-        self.assertEquals(getattr(actUser, model.story.FIELD_NAME), username)
+        self.assertEqual(getattr(actUser, model.story.FIELD_NAME), username)
         actUser.delete_entity(job, username, "story")
         entityNames = collectInnerList(story.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertNotIn(username, entityNames)
diff --git a/test/test_19usecase.py b/test/test_19usecase.py
index 0c21215..acd5325 100644
--- a/test/test_19usecase.py
+++ b/test/test_19usecase.py
@@ -38,7 +38,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = usecase.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -93,7 +93,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = project.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertIn(username, entityNames)
         actUser = project.read_entity(job, username)
-        self.assertEquals(getattr(actUser, model.project.FIELD_USERNAME), username)
+        self.assertEqual(getattr(actUser, model.project.FIELD_USERNAME), username)
         actUser.remove_entity(job, username)
         entityNames = project.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertNotIn(username, entityNames)
@@ -118,7 +118,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = collectInnerList(project.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertIn(username, entityNames)
         actUser = project.select_entity(job, username)
-        self.assertEquals(getattr(actUser, model.project.FIELD_USERNAME), username)
+        self.assertEqual(getattr(actUser, model.project.FIELD_USERNAME), username)
         actUser.delete_entity(job, username, "project")
         entityNames = collectInnerList(project.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertNotIn(username, entityNames)
diff --git a/test/test_19variant.py b/test/test_19variant.py
index fcda945..68bbd9a 100644
--- a/test/test_19variant.py
+++ b/test/test_19variant.py
@@ -37,7 +37,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = variant.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = variant.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -92,7 +92,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = variant.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertIn(username, entityNames)
         actUser = variant.read_entity(job, username)
-        self.assertEquals(getattr(actUser, model.variant.FIELD_NAME), username)
+        self.assertEqual(getattr(actUser, model.variant.FIELD_NAME), username)
         actUser.remove_entity(job, username)
         entityNames = variant.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertNotIn(username, entityNames)
@@ -117,7 +117,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = collectInnerList(variant.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertIn(username, entityNames)
         actUser = variant.select_entity(job, username)
-        self.assertEquals(getattr(actUser, model.variant.FIELD_NAME), username)
+        self.assertEqual(getattr(actUser, model.variant.FIELD_NAME), username)
         actUser.delete_entity(job, username, "variant")
         entityNames = collectInnerList(variant.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertNotIn(username, entityNames)
diff --git a/test/test_20application.py b/test/test_20application.py
index 349385e..41eadb5 100644
--- a/test/test_20application.py
+++ b/test/test_20application.py
@@ -35,10 +35,10 @@ class MyTestCase(unittest.TestCase):
         application = model.application.Application(job)
         entityNames = []
         entityNames = application.read_unique_names(job, "", "", "", {})
-        self.assertEquals(type(entityNames), list)
+        self.assertEqual(type(entityNames), list)
         print("apps "+str(entityNames))
         #entityNames = component.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
diff --git a/test/test_21environment.py b/test/test_21environment.py
index ea728b1..f9a78db 100644
--- a/test/test_21environment.py
+++ b/test/test_21environment.py
@@ -36,7 +36,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = environment.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = environment.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
diff --git a/test/test_22component.py b/test/test_22component.py
index 2a0afbf..4962e20 100644
--- a/test/test_22component.py
+++ b/test/test_22component.py
@@ -31,9 +31,9 @@ class MyTestCase(unittest.TestCase):
         component = model.component.Component(job)
         entityNames = []
         entityNames = component.read_unique_names(job, "", "", "", {})
-        self.assertEquals(type(entityNames), list)
+        self.assertEqual(type(entityNames), list)
         #entityNames = component.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
@@ -88,7 +88,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = component.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertIn(username, entityNames)
         actUser = component.read_entity(job, username)
-        self.assertEquals(getattr(actUser, model.component.FIELD_USERNAME), username)
+        self.assertEqual(getattr(actUser, model.component.FIELD_USERNAME), username)
         actUser.remove_entity(job, username)
         entityNames = component.get_unique_names(job, storage=model.entity.STORAGE_FILE)
         self.assertNotIn(username, entityNames)
@@ -113,7 +113,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = collectInnerList(component.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertIn(username, entityNames)
         actUser = component.select_entity(job, username)
-        self.assertEquals(getattr(actUser, model.component.FIELD_USERNAME), username)
+        self.assertEqual(getattr(actUser, model.component.FIELD_USERNAME), username)
         actUser.delete_entity(job, username, "component")
         entityNames = collectInnerList(component.get_unique_names(job, storage=model.entity.STORAGE_DB))
         self.assertNotIn(username, entityNames)
diff --git a/test/test_26testsuite.py b/test/test_26testsuite.py
index 4810591..4afacc2 100644
--- a/test/test_26testsuite.py
+++ b/test/test_26testsuite.py
@@ -51,7 +51,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = testsuite.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
diff --git a/test/test_27testcase.py b/test/test_27testcase.py
index 586c167..fb03ef3 100644
--- a/test/test_27testcase.py
+++ b/test/test_27testcase.py
@@ -35,7 +35,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = testcase.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
diff --git a/test/test_28step.py b/test/test_28step.py
index 1620488..31d63c3 100644
--- a/test/test_28step.py
+++ b/test/test_28step.py
@@ -49,10 +49,10 @@ class MyTestCase(unittest.TestCase):
         step = model.step.Step(job)
         entityNames = []
         entityNames = step.read_unique_names(job, "", "", "", {})
-        self.assertEquals(type(entityNames), list)
+        self.assertEqual(type(entityNames), list)
         print("apps "+str(entityNames))
         #entityNames = component.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_12getEntity(self):
         global mymsg
diff --git a/test/test_29datatable.py b/test/test_29datatable.py
index 99c9256..679338d 100644
--- a/test/test_29datatable.py
+++ b/test/test_29datatable.py
@@ -35,7 +35,7 @@ class MyTestCase(unittest.TestCase):
         entityNames = table.read_unique_names(job, "", "", "", {})
         self.assertEqual(type(entityNames), list)
         #entityNames = project.select_unique_names(job, "", "", "", {})
-        #self.assertEquals(type(entityNames), list)
+        #self.assertEqual(type(entityNames), list)
 
     def test_11getEntities(self):
         global mymsg
diff --git a/tools/config_tool.py b/tools/config_tool.py
index 00bc1bc..931e1e4 100644
--- a/tools/config_tool.py
+++ b/tools/config_tool.py
@@ -7,6 +7,7 @@
 # ---------------------------------------------------------------------------------------------------------
 import sys
 import basic.constants as B
+import tools.value_tool
 
 try:
     import basic.program
@@ -21,7 +22,7 @@ import basic.constants as B
 import tools.data_const as D
 import tools.path_const as P
 
-COMP_FILES = [D.DDL_FILENAME]
+TABLE_FILES = [D.DDL_FILENAME]
 CONFIG_FORMAT = [D.DFILE_TYPE_YML, D.DFILE_TYPE_JSON, D.DFILE_TYPE_CSV]
 
 def getExistingPath(job, pathnames):
@@ -74,8 +75,8 @@ def select_config_path(job, modul, name, subname=""):
                 return pathname
         if verify: job.debug(verify, "6 " + pathname)
         raise Exception(P.EXP_CONFIG_MISSING, modul+", "+name)
-    elif modul in COMP_FILES:
-        return getCompPath(job, name, subname, modul)
+    elif modul in TABLE_FILES:
+        return getTablePath(job, name, subname, modul)
     elif modul == P.KEY_BASIC:
         return getBasicPath(job, name)
     elif modul == P.KEY_TESTCASE:
@@ -147,15 +148,34 @@ def getToolPath(job, name, subname):
         return path
     raise Exception(P.EXP_CONFIG_MISSING, envdir + ", " + name)
 
-def getCompPath(job, name, subname, filename):
-    # for example DATASTRUCURE or the table
+def getTablePath(job, name, subname, filename):
+    """
+    reads the ddl of the table depending on context (=name)
+    a) component: the ddl is read from specific or general component-folder
+    b) testcase: the ddl is read from general component-folder
+    c) testserver: the ddl is read from model-folder
+    :param job:
+    :param name:  name of the context testserver/testdata or name of the component
+    :param subname: name of the table
+    :param filename: dont use
+    :return:
+    """
     pathnames = []
+    if name == B.ATTR_INST_TESTSERVER:
+        path = tools.value_tool.compose_string(job, job.conf[B.TOPIC_PATH][P.ATTR_PATH_MODEL], None)
+        pathnames.append(os.path.join(path, subname))
+    else:
+        path = tools.value_tool.compose_string(job, job.conf[B.TOPIC_PATH][P.ATTR_PATH_COMPONENTS], None)
+        pathnames.append(os.path.join(path, P.KEY_CATALOG, P.VAL_TABLES, subname))
+        pass
+    """
     pathnames.append(os.path.join(job.conf[B.TOPIC_PATH][P.ATTR_PATH_COMPONENTS],
                                   basic.componentHandling.getComponentFolder(name), filename))
     pathnames.append(os.path.join(job.conf[B.TOPIC_PATH][P.ATTR_PATH_COMPONENTS],
                                   basic.componentHandling.getComponentFolder(subname), filename))
     pathnames.append(os.path.join(job.conf[B.TOPIC_PATH][P.ATTR_PATH_PROGRAM], P.VAL_BASIC, filename))
     pathnames.append(os.path.join(job.conf[B.TOPIC_PATH][P.ATTR_PATH_PROGRAM], P.VAL_BASIC, subname))
+    """
     configpath = getExistingPath(job, pathnames)
     if configpath is not None:
         return configpath
diff --git a/tools/db_abstract.py b/tools/db_abstract.py
index 77fc4d3..7188991 100644
--- a/tools/db_abstract.py
+++ b/tools/db_abstract.py
@@ -486,7 +486,7 @@ class DbFcts():
             keys = ddl[B.DATA_NODE_KEYS]
         else:
             header = ddl[B.DATA_NODE_HEADER]
-            keys = ddl
+            keys = ddl[B.DATA_NODE_DDLKEYS]
         for f in header:
             #for f in ddl[B.DATA_NODE_HEADER]:
             if D.DDL_TYPE in keys[f] and keys[f][D.DDL_TYPE] == D.TYPE_PK:
diff --git a/tools/dbmysql_tool.py b/tools/dbmysql_tool.py
index 151a0b6..164cbbc 100644
--- a/tools/dbmysql_tool.py
+++ b/tools/dbmysql_tool.py
@@ -48,7 +48,7 @@ class DbFcts(tools.dbrel_tool.DbFcts):
         for x in myresult:
             r = {}
             i = 0
-            keys = self.comp.conf[B.DATA_NODE_DDL][table][B.DATA_NODE_KEYS]
+            keys = self.comp.conf[B.DATA_NODE_DDL][table][B.DATA_NODE_DDLKEYS]
             for f in header:
                 if (keys[f][D.DDL_TYPE] in [D.TYPE_TIME, D.TYPE_DATE]):
                     r[f] = tools.date_tool.getFormatdate(x[i], tools.date_tool.F_DIR)
@@ -95,7 +95,7 @@ class DbFcts(tools.dbrel_tool.DbFcts):
         if B.DATA_NODE_KEYS in self.comp.conf[B.DATA_NODE_DDL][table]:
             keys = self.comp.conf[B.DATA_NODE_DDL][table][B.DATA_NODE_KEYS]
         else:
-            keys = self.comp.conf[B.DATA_NODE_DDL][table]
+            keys = self.comp.conf[B.DATA_NODE_DDL][table][B.DATA_NODE_DDLKEYS]
         for r in rows:
             rowvalues = []
             for h in insheader:
diff --git a/tools/file_tool.py b/tools/file_tool.py
index 8b0f80b..5df4f71 100644
--- a/tools/file_tool.py
+++ b/tools/file_tool.py
@@ -246,73 +246,6 @@ def read_file_dict(job, path: str, msg, ttype: str = D.DFILE_TYPE_CSV) -> dict:
     doc["_path"] = path
     # TODO !! refactor to file_type
     return tools.file_type.check_tdata(job, doc, ttype)
-    #check_file_dict(job, doc, msg, ttype)
-    #return doc
-
-
-def check_file_dict(job, config: dict, msg, ttype: str):
-    """
-    check-routine for different kind of dictionary-types
-    :param job:
-    :param config:
-    :param msg:
-    :param ttype:
-    :return:
-    """
-    MUST_NODES = []
-    MUSTNT_NODES = []
-    if ttype in [D.CSV_SPECTYPE_CTLG]:
-        MUST_NODES = [B.DATA_NODE_HEADER, B.DATA_NODE_KEYS]
-        MUSTNT_NODES = [B.DATA_NODE_DATA]
-    elif ttype in [D.CSV_SPECTYPE_DDL]:
-        MUST_NODES = [B.DATA_NODE_HEADER]
-        MUSTNT_NODES = [B.DATA_NODE_DATA, B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS]
-    elif ttype in [D.CSV_SPECTYPE_DATA]:
-        MUST_NODES = [B.DATA_NODE_HEADER, B.DATA_NODE_DATA]
-        MUSTNT_NODES = [B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS]
-    elif ttype in [D.CSV_SPECTYPE_CONF]:
-        MUST_NODES = [B.DATA_NODE_HEADER, B.DATA_NODE_DATA]
-        MUSTNT_NODES = [B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS]
-    elif ttype in [D.CSV_SPECTYPE_TREE]:
-        MUST_NODES = [B.DATA_NODE_HEADER, B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS]
-        MUSTNT_NODES = [B.DATA_NODE_DATA]
-    elif ttype in [D.CSV_SPECTYPE_COMP]:
-        MUST_NODES = [B.SUBJECT_ARTIFACTS, B.SUBJECT_STEPS, "functions", B.SUBJECT_DATATABLES]
-        MUSTNT_NODES = [B.DATA_NODE_DATA]
-    elif ttype+"s" in B.LIST_SUBJECTS:
-        print("subject-typ "+ttype+" "+config["_path"])
-    elif ttype in ["basic", "tool"]:
-        # tool : tool-specific nodes
-        #print("anderer bekannter Ttyp " + ttype + " " + config["_path"])
-        return
-    else:
-        print("anderer Ttyp "+ttype+" "+config["_path"])
-    checkNodes(job, config, MUST_NODES, MUSTNT_NODES)
-
-def checkNodes(job, config, mustNodes, mustntNodes):
-    a = str(config["_path"]).split(os.path.sep)
-    b = a[-1].split(".")
-    path = config["_path"]
-    if b[0] in config:
-        config = config[b[0]]
-    try:
-        if len(config) == 2:
-            for x in B.LIST_SUBJECTS:
-                if x[:-1] in config:
-                    config = config[x[:-1]]
-                    break
-    except:
-        pass
-    for n in mustNodes:
-        if n not in config:
-            raise Exception("must-node doesnt exist "+n+" "+path)
-    for n in mustntNodes:
-        if n not in config:
-            continue
-        if len(config[n]) == 0:
-            job.m.logWarn("empty mustnt-node "+n+" "+path)
-        else:
-            raise Exception("must-node doesnt exist "+n+" "+path)
 
 
 
diff --git a/tools/file_type.py b/tools/file_type.py
index 87e5bbe..1997855 100644
--- a/tools/file_type.py
+++ b/tools/file_type.py
@@ -169,7 +169,8 @@ class DatatypeCatalog():
         checkNodes[MUST_NODES] = [B.DATA_NODE_HEADER, B.DATA_NODE_KEYS]
         checkNodes[MUSTNT_NODES] = [B.DATA_NODE_DATA]
         checkNodes[OPT_NODES] = [B.DATA_NODE_FIELDS]
-        return check_nodes(job, data, checkNodes)
+        check_nodes(job, data, checkNodes)
+        return data
 
 def popSubjectsNode(job, data: dict) -> dict:
     if len(data) == 1:
@@ -238,24 +239,32 @@ def checkCatalog(job, tdata: dict) -> dict:
 class DatatypeDDL():
     """
     structure:
-    * B.DATA_NODE_HEADER : list of ddl-attributes
-    * B.DATA_NODE_FIELDS : list of field-names
-    * B.DATA_NODE_KEYS   : fields with attributes (header X fields)
+    * B.DATA_NODE_HEADER : list of field-names = column-names for table content
+    * B.DATA_NODE_DATA   : list of rows = tabel-content
+    * B.DATA_NODE_DDLFIELDS : list of ddl-attributes - optional because it is B.DATA_NODE_KEYS.keys()
+    * B.DATA_NODE_DDLKEYS   : fields with attributes (header X fields)
     """
     @staticmethod
     def rebuild_data(job, data: dict, tableAttr: dict) -> dict:
         data = popTablesNode(job, data)
         data = popNameNode(job, data)
         data = buildKeys(job, data)
+        data["fieldnames"] = data[B.DATA_NODE_FIELDS]
+        data["fielddef"] = data[B.DATA_NODE_KEYS]
+        data[B.DATA_NODE_DDLFIELDS] = data[B.DATA_NODE_HEADER]
+        data[B.DATA_NODE_DDLKEYS] = data[B.DATA_NODE_KEYS]
+        data[B.DATA_NODE_HEADER] = data[B.DATA_NODE_FIELDS]
+        data.pop(B.DATA_NODE_KEYS)
+        data.pop(B.DATA_NODE_FIELDS)
         data = addTableAttr(job, data, tableAttr)
         return data
 
     @staticmethod
     def check_data(job, data: dict) -> dict:
         checkNodes = {}
-        checkNodes[MUST_NODES] = [B.DATA_NODE_HEADER, B.DATA_NODE_KEYS]
-        checkNodes[MUSTNT_NODES] = [B.DATA_NODE_DATA]
-        checkNodes[OPT_NODES] = [B.DATA_NODE_FIELDS]
+        checkNodes[MUST_NODES] = [B.DATA_NODE_HEADER, B.DATA_NODE_DDLFIELDS, B.DATA_NODE_DDLKEYS]
+        checkNodes[MUSTNT_NODES] = []
+        checkNodes[OPT_NODES] = [B.DATA_NODE_DATA]
         return check_nodes(job, data, checkNodes)
 
 
@@ -280,13 +289,6 @@ def buildKeys(job, data: dict) -> dict:
 def insertDDL(job, tdata, fields: list) -> dict:
     return tdata
 
-def checkDDL(job, tdata: dict) -> dict:
-    checkNodes = {}
-    checkNodes[MUST_NODES] = [B.DATA_NODE_HEADER]
-    checkNodes[MUSTNT_NODES] = [B.DATA_NODE_DATA, B.DATA_NODE_FIELDS, B.DATA_NODE_KEYS]
-    checkNodes[OPT_NODES] = []
-    return check_nodes(job, tdata, checkNodes)
-
 def rebuildSpec(job, tdata: dict) -> dict:
     return tdata
 
diff --git a/tools/filecsv_fcts.py b/tools/filecsv_fcts.py
index 22c6b0e..ce92c40 100644
--- a/tools/filecsv_fcts.py
+++ b/tools/filecsv_fcts.py
@@ -137,7 +137,8 @@ class FileFcts(tools.file_abstract.FileFcts):
                 tableAttr = setTableAttribute(job, tableAttr, a[0], fields)
                 if ttype == "" and D.DATA_ATTR_TYPE in tableAttr:
                     ttype = tableAttr[D.DATA_ATTR_TYPE]
-                elif D.DATA_ATTR_TYPE in tableAttr and ttype != tableAttr[D.DATA_ATTR_TYPE]:
+                elif (D.DATA_ATTR_TYPE in tableAttr and ttype != tableAttr[D.DATA_ATTR_TYPE]
+                      and ttype not in [D.CSV_SPECTYPE_DDL]):
                     msg.logWarn("System-Type " + ttype + " be overwrite by file-Type " + tableAttr[D.DATA_ATTR_TYPE])
                     ttype = tableAttr[D.DATA_ATTR_TYPE]
                 continue