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Hello, BPCS V604 AS400 I confirm that performance became very slowly when I've implemented V4R5, IBM changed the optimizer in V4R5. Most of logicals files are ignored, the optimizer build tempory index all the time. You can use "SQL performance monitor" of Operation navigator to see what happen. This tool can create index, but it is a very long work to tune a lot of transactions! Is SSA intend to make a BMR to solve this problem of performance for release V4R5 and other ? Thanks Patrice di Cioccio
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