Difference between revisions of "SYSEXPORTEDKEYS"
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==Purpose== | ==Purpose== | ||
Description of the foreign key columns that reference the primary key columns | Description of the foreign key columns that reference the primary key columns | ||
| Line 11: | Line 4: | ||
==See Also== | ==See Also== | ||
| − | [[DATA TYPES]], [[SQL SELECT|SELECT]], [[SYSTEM TABLES]] | + | [[SQL Data Types|DATA TYPES]], [[SQL SELECT|SELECT]], [[SQL System Tables|SYSTEM TABLES]] |
| Line 54: | Line 47: | ||
==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| − | + | SELECT * FROM sysexportedkeys | |
| − | SELECT * | + | |
| − | FROM sysexportedkeys | + | |
</code> | </code> | ||
==Products== | ==Products== | ||
| − | Recital | + | Recital, Recital Server |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:System Tables]] | [[Category:System Tables]] | ||
Latest revision as of 16:47, 22 December 2009
Contents
Purpose
Description of the foreign key columns that reference the primary key columns
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 |
| PKTABLE_SCHEM | C | 30 | Primary key table schema |
| PKTABLE_NAME | C | 30 | Primary key table name |
| PKCOLUMN_NAME | C | 30 | Primary key column name |
| FKTABLE_CAT | C | 30 | Foreign key table catalog being exported |
| FKTABLE_SCHEM | C | 30 | Foreign key table schema being exported |
| FKTABLE_NAME | C | 30 | Foreign key table name being exported |
| FKCOLUMN_NAME | C | 30 | Foreign key column name being exported |
| 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 sysexportedkeys
Products
Recital, Recital Server
