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

396 UPDATE_ISOLATION_LEVEL= Data Set Option 4 Chapter 11UPDATE_ISOLATION_LEVEL= Data Set OptionDefines the degree of isolation of the current application process from other concurrently runningapplication processes.Default value: LIBNAME settingValid in: DATA and PROC steps (when accessing DBMS data using SAS/ACCESSsoftware)DBMS support: DB2 under UNIX and PC Hosts, DB2 under z/OS, Microsoft SQL Server,MySQL, ODBC, OLE DB, Oracle, Sybase, TeradataSyntaxUPDATE_ISOLATION_LEVEL=DBMS-specific-valueSyntax Descriptiondbms-specific-valueSee the documentation for your SAS/ACCESS interface for the values for your DBMS.DetailsThe degree of isolation identifies the degree to which:3 the rows that are read and updated by the current application are available toother concurrently executing applications3 update activity of other concurrently executing application processes can affect thecurrent application.See the SAS/ACCESS documentation for your DBMS for additional, DBMS-specificdetails about locking.See AlsoTo assign this option to a group of relational DBMS tables or views, see the“UPDATE_ISOLATION_LEVEL= LIBNAME Option” on page 195.