Oracle 12c 优化白皮书
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Optimizer with Oracle Database 12c Release 2
O R A C L E W H I T E P A P E R | J U N E 2 0 1 7
OPTIMIZER WITH ORACLE DATABASE 12C
Table of Contents
Introduction 1
Adaptive Query Optimization 2
Optimizer Statistics 13
Optimizer Statistics Advisor 16
New and Enhanced Optimization Techniques 17
SQL Plan Management 24
Initialization Parameters 24
Conclusion 27
References 28
Disclaimer
The following is intended to outline our general product direction. It is intended for information purposes
only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or
functionality, and should not be relied upon in making purchasing decisions. The development, release, and
timing of any features or functionality described for Oracle’s products remains at the sole discretion of
Oracle.
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