Adaptive Cursor Sharing
今天做实验,用的资料来自于oracle文档的Database Performance Tuning Guide第十一章The Query Optimizer一、准备工作准备一个emp表,简单一点,两个列就行了,每个列上都有index点击(此处)折叠或打开SQL> desc empName Null Type...
What's New in Backup and Recovery
Oracle在Backup and Recovery User's Guide中的第一个章节在众多的新特性中,有一个,还是很实用的Automatic Block RepairThe enhancements to corrupt block detection make block repair more efficient and increase availability. The automatic block repair enhancement complements the Oracle Database 11g Rel...