_type;ddl;;;;;;;;;
_key;_field;;;;;;;;;
table:tc_tables;_field;type;format;index;generic;aggregat;key;acceptance;alias;description
;tcdtbid;pk;integer;N;;;;;;
;tcid;int;integer;I;;;T:1;;;
;dtid;int;integer;I;;;T:2;;;
;count;int;int;N;;;;;;
;refdate;date;date;N;;;;;;