D. Richard Hipp wrote: > On Sep 21, 2008, at 8:51 AM, Russ Leighton wrote: > >> I am interested in ... a way >> to constraint/control index selection on queries. >> > > What other SQL database engines have this capability and what syntax > do they use?
Richard, Hope this are useful: Oracle: http://www.adp-gmbh.ch/ora/sql/hints/index.html http://download.oracle.com/docs/cd/E12096_01/books/admintool/admintool_PhysicalSetup32.html Postgresql: Does not support it unless it is a very recent addition, but its planner occasionally/frequently? makes a poor choice and adding support for hints ala Oracle and/or discussions like "Why didn't Postgresql use my index?" regularly occur on the user list. DB2: http://publib.boulder.ibm.com/infocenter/db2luw/v8/index.jsp?topic=/com.ibm.db2.udb.doc/admin/t0005308.htm MySQL: http://dev.mysql.com/doc/refman/5.0/en/index-hints.html -Steve _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
