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Monday, November 1 • 13:10 - 14:10
SQL Performance Analysis Tools in IBM i - Access Client Solutions (ACS)

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SQL becomes more and more the standard for accessing data in physical files or SQL tables. Contrary to native I/O where the programmer specifies a physical or logical file that is to be used, in SQL it is the Optimizer who decides whether an index is used or whether the complete table/file is read.
Long running queries are a nuisance. ACS (Access Client Solutions) provide multiple interfaces for recording information about SQL queries and for analyzing the collected data, such as Visual Explain, SQL Plan Cache (Snapshots) or SQL Performance Monitors. All advised indices from both query engines (SQE and CQE) are recorded along with information about how often and when an index was used for the last time. With Access Client Solution this information can be accessed and necessary indexes immediately created.

The Access Client Solution (ACS) interface is the easiest way to record and analyze your SQL statements. You’ll get an overview over the different tools such as Visual Explain, SQE Plan Cache and SQL Performance Monitors.
You’ll learn how to find the long running queries, how to analyze them. Because providing the right indexes is the key for a good SQL performance you’ll also get an introduction into the Index Advisor, Index Evaluator and Index Condenser

avatar for Birgitta Hauser

Birgitta Hauser

Database and Software Architect

Monday November 1, 2021 13:10 - 14:10 CET
F18 - Room 18