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Features that Require the CBO

原创 Linux操作系统 作者:xhailiang 时间:2008-03-21 15:13:56 0 删除 编辑

The following features require use of the CBO:

  • Partitioned tables and indexes
  • Index-organized tables
  • Reverse key indexes
  • Function-based indexes
  • SAMPLE clauses in a SELECT statement
  • Parallel query and parallel DML
  • Star transformations and star joins
  • Extensible optimizer
  • Query rewrite with materialized views
  • Enterprise Manager progress meter
  • Hash joins
  • Bitmap indexes and bitmap join indexes
  • Index skip scans

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