SYSIMPORTEDKEYS
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Revision as of 16:48, 22 December 2009 by Yvonnemilne (Talk | contribs)
Contents
Purpose
Description of the primary key columns that are referenced by the foreign key
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 |
|---|---|---|---|
| PKTABLE_CAT | C | 30 | Primary key table catalog being imported |
| PKTABLE_SCHEM | C | 30 | Primary key table schema being imported |
| PKTABLE_NAME | C | 30 | Primary key table name being imported |
| PKCOLUMN_NAME | C | 30 | Primary key column name being imported |
| FKTABLE_CAT | C | 30 | Foreign key table catalog |
| FKTABLE_SCHEM | C | 30 | Foreign key table schema |
| FKTABLE_NAME | C | 30 | Foreign key table name |
| FKCOLUMN_NAME | C | 30 | Foreign key column name |
| KEY_SEQ | N | 2 | Sequence number within foreign key |
| UPDATE_RULE | N | 2 | What happens to foreign key when primary is updated |
| DELETE_RULE | N | 2 | What happens to the foreign key when primary is deleted |
| FK_NAME | C | 30 | Foreign key name |
| PK_NAME | C | 30 | Primary key name |
| DEFERRABILITY | N | 2 | Can the evaluation of foreign key constraints be deferred until commit? |
Example
SELECT * FROM sysimportedkeys
Products
Recital, Recital Server
