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Oracle Database 11gR2 Performance Tuning Cookbook
book

Oracle Database 11gR2 Performance Tuning Cookbook

by Ciro Fiorillo
January 2012
Intermediate to advanced
542 pages
11h 28m
English
Packt Publishing
Content preview from Oracle Database 11gR2 Performance Tuning Cookbook

V$SQL

This view lists statistics on shared SQL areas.

Fields

The most relevant view fields are as follows:

  • SQL_ID: The identifier of the parent cursor in the library cache
  • SQL_TEXT: The first thousand characters of the SQL text
  • SQL_FULLTEXT: The full text of the SQL statement
  • EXECUTIONS: The number of executions that took place on this object since it was brought into the library cache
  • INVALIDATIONS: The number of times this child cursor has been invalidated
  • PARSE_CALLS: The number of parse calls for this child cursor
  • IS_BIND_SENSITIVE: This indicates whether the cursor is bind sensitive (Y) or not (N). A query is considered bind-sensitive if the optimizer peeked at one of its bind variable values when computing predicate selectivity and where a change ...
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Publisher Resources

ISBN: 9781849682602Other