13.07.2015 Views

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

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

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

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The LIBNAME Statement <strong>for</strong> <strong>Relational</strong> <strong>Databases</strong> 4 SESSIONS= LIBNAME Option 183SESSIONS= LIBNAME OptionSpecifies how many Teradata sessions to be logged on when using FastLoad, FastExport, orMultiload.Default value: noneValid in: <strong>SAS</strong>/<strong>ACCESS</strong> LIBNAME statementDBMS support: TeradataSyntaxSESSIONS=number-of-sessionsSyntax Descriptionnumber-of-sessionsspecifies a numeric value that indicates the number of sessions to be logged on.DetailsWhen reading data with FastExport or loading data with FastLoad and MultiLoad, youcan request multiple sessions to increase throughput. Using large values might notnecessarily increase throughput due to the overhead associated with sessionmanagement. Check whether your site has any recommended value <strong>for</strong> the number ofsessions to use. See your Teradata documentation <strong>for</strong> details about using multiplesessions.ExampleThis example uses SESSIONS= in a LIBNAME statement to request that fivesessions be used to load data with FastLoad.libname x teradata user=prboni pw=prboni SESSIONS=2;proc delete data=x.test;run;data x.test(FASTLOAD=YES);i=5;run;See AlsoTo apply this option to an individual data set, see the “SESSIONS= Data Set Option”on page 369.

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