摘要:
根据Oracle-L邮件列表里主题「Full scan vs index」的讨论而来。1、测试环境创建SYS@HEMESRHTDB2(1.206)> select * from v$version;BANNER--------------------------------------------------------------------------------Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit ProductionPL/SQL Release 11.2.0.3.0 - Producti 阅读全文