FOREIGNKEYCOLUMNS 

This system table contains the columns of all referential CONSTRAINT definitions for which the current user has privileges.

FOREIGNKEYCOLUMNS

OWNER

CHAR(32)

Name of the owner of the table

TABLENAME

CHAR(32)

Name of the table

COLUMNNAME

CHAR(32)

Name of the column

FKEYNAME

CHAR(32)

Name of the referential CONSTRAINT definition

REFOWNER

CHAR(32)

Name of the owner of the referenced table

REFTABLENAME

CHAR(32)

Name of the referenced table

REFCOLUMNNAME

CHAR(32)

Name of the column of the referenced table

RULE

CHAR(18)

Rules for deleting the table

CREATEDATE

DATE

Creation date of the referential CONSTRAINT definition

CREATETIME

TIME

Creation time of the referential CONSTRAINT definition

COMMENT

LONG

Comment on the referential CONSTRAINT definition