Revision as of 15:59, 13 March 2009

SYSEXPORTEDKEYS

SQL Applications

Description of the foreign key columns that reference the primary key columns

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?

EXEC SQL
SELECT *
FROM sysexportedkeys;

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Revision as of 12:16, 13 March 2009 (view source) Yvonnemilne (Talk \| contribs)		Revision as of 15:59, 13 March 2009 (view source) Yvonnemilne (Talk \| contribs) Newer edit →
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	==See Also==		==See Also==
−	[[DATA TYPES]], [[SQL SELECT\|SELECT]], [[SYSTEM TABLES]]	+	[[SQL Data Types\|DATA TYPES]], [[SQL SELECT\|SELECT]], [[SQL System Tables\|SYSTEM TABLES]]