Difference between revisions of "SYSTABLECONSTRAINTS"
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System Tables are system defined read-only tables. You can query these tables using the SELECT statement. | System Tables are system defined read-only tables. You can query these tables using the SELECT statement. | ||
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Revision as of 07:57, 21 January 2013
Contents
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