Category:AS/400

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System i (formerly known as AS/400, eServer, iSeries, System i5)


Special hints regarding SQL on System i

If you are realizing very poor perfomance using your 2/E-generated database with SQL try to find some information about the QUSRSYS/QAQQINI file. Since V3R3 the SQL optimizer decrease performance if any LF has select/omit options.

Setting QQPARM:IGNORE_DERIVED_INDEX set to QQVAL:*YES can help in this case. The SQL Query Engine will now ignores any LFs with select/omit statements.

Further info can be found on this IBM page.

Pages in category "AS/400"

The following 4 pages are in this category, out of 4 total.

A

C

S

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