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Siebel Database Upgrade Guide for DB2 UDB for z/OS > Tuning the Siebel Production Upgrade Scripts > Adding the Statistics Clause to Load CardsEnvironments: Production test environment only. Does not apply to production environment. If your database schema structure follows the 1:1:1 model, and if LOAD REPLACE is specified on a load card (so tables are loaded from scratch), you can improve upgrade performance by collecting statistics while running the load job rather than having to run a separate RUNSTATS job. You can do this by adding the STATISTICS clause to the load cards, for example: STATISTICS TABLE(ALL) INDEX(ALL) NOTE: If LOAD RESUME is specified on a load card, you cannot collect statistics while running the load job. |
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