Accessing IBM DB2 with Structured Query Language (SQL) requires time and resources. Fortunately, a forecasting tool is available to help improve query performance: IBM DB2 SQL Performance Analyzer (DB2 SQL PA) for z/OS. This tool takes SQL statements from any input source and provides estimated query costs. It also offers highly relevant advice, analyses and guidelines for writing more efficient SQL statements. DB2 SQL PA can be deployed - before consuming any CPU resources - to help locate queries requiring enhancement and to better plan for the needed resources.
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