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Oracle® Database Reference
11g Release 1 (11.1)

B28320-03
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PLSQL_OPTIMIZE_LEVEL

Property Description
Parameter type Integer
Default value 2
Modifiable ALTER SESSION, ALTER SYSTEM
Range of values 0 to 3

PLSQL_OPTIMIZE_LEVEL specifies the optimization level that will be used to compile PL/SQL library units. The higher the setting of this parameter, the more effort the compiler makes to optimize PL/SQL library units.

Values:

Generally, setting this parameter to 2 pays off in better execution performance. If, however, the compiler runs slowly on a particular source module or if optimization does not make sense for some reason (for example, during rapid turnaround development), then setting this parameter to 1 will result in almost as good a compilation with less use of compile-time resources.

The value of this parameter is stored persistently with the library unit.