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

781CHAPTER28SAS/ACCESS Interface toTeradataIntroduction to SAS/ACCESS Interface to Teradata 783Overview 783The SAS/ACCESS Teradata Client 783LIBNAME Statement Specifics for Teradata 784Overview 784Arguments 784Teradata LIBNAME Statement Examples 787Data Set Options for Teradata 788SQL Pass-Through Facility Specifics for Teradata 790Key Information 790Examples 791Autopartitioning Scheme for Teradata 792Overview 792FastExport and Case Sensitivity 792FastExport Password Security 793FastExport Setup 793Using FastExport 794FastExport and Explicit SQL 794Exceptions to Using FastExport 795Threaded Reads with Partitioning WHERE Clauses 795FastExport Versus Partitioning WHERE Clauses 795Temporary Table Support for Teradata 796Overview 796Establishing a Temporary Table 796Terminating a Temporary Table 797Examples 797Passing SAS Functions to Teradata 798Passing Joins to Teradata 800Maximizing Teradata Read Performance 800Overview 800Using the PreFetch Facility 800Overview 800How PreFetch Works 801The PreFetch Option Arguments 801When and Why Use PreFetch 801Possible Unexpected Results 802PreFetch Processing of Unusual Conditions 802Using PreFetch as a LIBNAME Option 803Using Prefetch as a Global Option 803Maximizing Teradata Load Performance 804Overview 804