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

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

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832 Locking in the Teradata Interface 4 Chapter 28DMINE *DMREG *FACTOR *FREQPRINCOMP *RANKREG *REPORTSCORE *SORTSUMMARY/MEANSTIMESERIES *TABULATEVARCLUS **<strong>SAS</strong> Analytics Accelerator is required to run these procedures inside the database.For more in<strong>for</strong>mation, see <strong>SAS</strong> Analytics Accelerator <strong>for</strong> Teradata: Guide.For more in<strong>for</strong>mation, see Chapter 8, “Overview of In-Database Procedures,” on page67.Locking in the Teradata InterfaceOverviewThe following LIBNAME and data set options let you control how the Teradatainterface handles locking. For general in<strong>for</strong>mation about an option, see “LIBNAMEOptions <strong>for</strong> <strong>Relational</strong> <strong>Databases</strong>” on page 92.Use <strong>SAS</strong>/<strong>ACCESS</strong> locking options only when Teradata standard locking isundesirable. For tips on using these options, see “Understanding <strong>SAS</strong>/<strong>ACCESS</strong> LockingOptions” on page 834 and “When to Use <strong>SAS</strong>/<strong>ACCESS</strong> Locking Options” on page 834.Teradata examples are available.READ_LOCK_TYPE= TABLE | VIEWUPDATE_LOCK_TYPE= TABLE | VIEWREAD_MODE_WAIT= YES | NOUPDATE_MODE_WAIT= YES | NOREAD_ISOLATION_LEVEL= <strong>ACCESS</strong> | READ | WRITEHere are the valid values <strong>for</strong> this option.

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