October 2004
Intermediate to advanced
356 pages
7h 53m
English
book
DB2 UDB V8.2 on the Windows Environment
by Whei-Jen Chen, Ajit Mungale, Carlos Raymundo, Andreas Thuering
Content preview from DB2 UDB V8.2 on the Windows Environment
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Chapter 5. Performance and monitoring 165
WHERE Sales.Region = 'Manitoba'
GROUP BY Sales.Sales_Person ;
The value of the REPEATABLE constant enclosed in parentheses is arbitrary.
The query will return different results only when you change this constant.
5.1.4 Dynamic SQL re-optimization
To enable query (re)optimization of static and dynamic SQL statements that
have host variables, special registers, or parameter markers, bind the package
with the REOPT bind option. You can set the bind option REOPT to one of the
following three values:
NONE The access path for a given SQL statement containing host
variables, parameter markers, or special regis ...
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