SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

126 DBLIBINIT= LIBNAME Option 4 Chapter 10DBMS support: Aster nCluster, DB2 under UNIX and PC Hosts, Greenplum, HPNeoview, Informix, Microsoft SQL Server, MySQL, Netezza, ODBC, OLE DB, Oracle,Sybase, Sybase IQ, TeradataSyntaxDBINDEX=YES | NOSyntax DescriptionYESspecifies that SAS uses columns in the WHERE clause that have defined DBMSindexes.NOspecifies that SAS does not use indexes that are defined on DBMS columns.DetailsWhen you are processing a join that involves a large DBMS table and a relatively smallSAS data set, you might be able to use DBINDEX= to improve performance.CAUTION:Improper use of this option can degrade performance. 4See AlsoTo apply this option to an individual data set, see the “DBINDEX= Data Set Option”on page 303.For detailed information about using this option, see “Using the DBINDEX=,DBKEY=, and MULTI_DATASRC_OPT= Options” on page 48.DBLIBINIT= LIBNAME OptionSpecifies a user-defined initialization command to execute once within the scope of the LIBNAMEstatement or libref that established the first connection to the DBMS.Default value: noneValid in: SAS/ACCESS LIBNAME statementDBMS support: Aster nCluster, DB2 under UNIX and PC Hosts, DB2 under z/OS,Greenplum, HP Neoview, Informix, Microsoft SQL Server, MySQL, Netezza, ODBC,OLE DB, Oracle, Sybase, Sybase IQ, TeradataSyntaxDBLIBINIT=DBMS-user-command