Chapter 12: Tuning for Performance and Efficiency
Understanding Performance Tuning
User-Specified Sorting (SORTPGM= System Options)
Reviewing CONTENTS Output and System Messages
Optimizing WHERE Clause Processing with Indexes
Constructing Efficient Logic Conditions
Introduction
A book on PROC SQL would not be complete without some discussion of query optimization and performance. Enabling a query to run efficiently involves writing code that can take advantage of the PROC SQL query optimizer. Because PROC SQL is designed to handle a variety ...
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