Difference between revisions of "SYSTABLECONSTRAINTS"
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==Purpose== | ==Purpose== | ||
Description of the constraints for each table available in the catalog | Description of the constraints for each table available in the catalog | ||
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==See Also== | ==See Also== | ||
[[SQL Data Types|DATA TYPES]], [[SQL SELECT|SELECT]], [[SQL System Tables|SYSTEM TABLES]] | [[SQL Data Types|DATA TYPES]], [[SQL SELECT|SELECT]], [[SQL System Tables|SYSTEM TABLES]] | ||
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==Description== | ==Description== | ||
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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{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
|} | |} | ||
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Constraint names: | Constraint names: | ||
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* ROLLBACK | * ROLLBACK | ||
* UPDATE | * UPDATE | ||
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==Example== | ==Example== | ||
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</code> | </code> | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:System Tables]] | [[Category:System Tables]] | ||
Revision as of 11:12, 7 December 2012
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
