SYSTABLECONSTRAINTS

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Purpose

Description of the constraints for each table available in the catalog

See Also

DATA TYPES, SELECT, SYSTEM TABLES

Description

System Tables are system defined read-only tables. You can query these tables using the SELECT statement.

Column Data Type Width Description
TABLE_CAT C 30 Table catalog
TABLE_SCHEM C 30 Table schema
TABLE_NAME C 30 Table name
CONSTRAINT_NAME C 30 Constraint name (see below)
CONSTRAINT C 100 Constraint

Constraint names:

  • CHECK
  • CLOSE
  • DELETE
  • ERROR
  • INSERT
  • OPEN
  • ROLLBACK
  • UPDATE

Example

SELECT * FROM systableconstraints