Revision as of 10:18, 27 February 2007 edit Stolze (talk \| contribs) 176 edits Revert to revision 108322788 dated 2007-02-15 13:43:18 by Stolze using popups ← Previous edit		Revision as of 10:21, 27 February 2007 edit undo Stolze (talk \| contribs) 176 edits →External link: Used DB2 V9 link Next edit →
Line 36: Most database management systems restrict check constraints to a single row. References to data stored in other tables is not allowed. At most constants and deterministic functions (that do not refer to other tables) are supported. Such constraints are not truly ''table check constraints'' but rather ''row check constraints''. [[Database trigger\|Triggers]] can be used to work around this restriction. == External ~~link~~Links == * [http://publib.boulder.ibm.com/infocenter/db2luw/v8v9/~~index.jsp?~~topic=/com.ibm.db2.udb.admin.doc/~~admin~~doc/t0004984.htm Defining a table check constraint in DB2] [[Category:Databases]]

Check constraint: Difference between revisions