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Hi Alan,

As per the DB2 (7.1) DB Performance and Query optimization manual:







*Long object names are converted internally to system object names when
used in SQL statements. Thisconversion can have some performance
impacts.Qualify the long object name with a library name, and the
conversion to the short name happens atprecompile time. In this case, there
is no performance impact when the statement is executed. Otherwise,the
conversion is done at execution time, and has a small performance impact*
Are you qualifying your table names?

Regards,

Luis

Luis Rodriguez


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