Difference between revisions of "SYSIMPORTEDKEYS"
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:System Tables]] | [[Category:System Tables]] | ||
Revision as of 16:32, 9 December 2009
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
EXEC SQL SELECT * FROM sysimportedkeys;
Products
Recital, Recital Server
