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Oracle Advanced PL/SQL Developer Professional Guide
book

Oracle Advanced PL/SQL Developer Professional Guide

by Saurabh K. Gupta
May 2012
Intermediate to advanced
440 pages
9h 1m
English
Packt Publishing
Content preview from Oracle Advanced PL/SQL Developer Professional Guide

PRAGMA INLINE

We learned the effect of the optimization level and subprogram inlining on the program performance. Once PLSQL_OPTIMIZER_LEVEL is set by the DBA, the optimization strategy is transparent to the end user. For this reason, Oracle introduced a pragma (PRAGMA INLINE) to authorize the user to explicitly inline a subprogram of its own choice. In the last section, we saw that PLSQL_OPTIMIZE_LEVEL 2 will prioritize the subprograms for inlining as per its own intelligence, while PLSQL_OPTIMIZE_LEVEL 3 will forcibly inline all the subprogram calls. While the latter setting might skip our expected subprogram, the latter setting might inline the expected subprogram along with the unnecessary inlining(inlinings).

Note

PRAGMA INLINE is the fifth ...

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Publisher Resources

ISBN: 9781849687225Other