March 2007
Intermediate to advanced
488 pages
13h 46m
English
book
OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
by Hernando Bedoya, Jaime Gaug, James Kerl, Ser Ser NG, Jose Cardoso dos Santos
Content preview from OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
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26 OnDemand SQL Performance Analysis Simplified on DB2 for i5/OS in V5R4
new indexes, the access plan is updated in the program object. In this way, a program
object can grow over time, even if no modifications are performed.
Dynamic SQL
Dynamic SQL statements are prepared at the time an SQL application is executed. The
SQL statements are passed to the database manager in the form of a character string.
This string uses interfaces with the PREPARE and EXECUTE statements or an
EXECUTE IMMEDIATE type of statement.
Programs that contain embedded dynamic SQL statements must be precompiled like
those that contain static SQL. Unlike static SQL, the ...
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