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ORACLE 中的Transparent Application Failover（TAF）
Oracle Transparent Application Failover(TAF) 说明 Oracle Net Services的高级特性的问题，Oracle 官网上的说明参考： Enabling Advanced Features of Oracle Net Services http://download.oracle.com/docs/cd/B19306_01/network.102/b14212/advcfg.htm#i473297 在这篇文章里讨论到了Net Services的几个特性： · Configuring Advanced Network Address and Connect Data Information · Configuring Runt
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Something about Optimizer Statistics
Something about Optimizer Statistics 1. DBMS_STATS gathers only statistics needed for optimization; it does not gather other statistics. For example, the table statistics gathered by DBMS_STATS include the number of rows, number of blocks currently containing data, and average row length, but not the number of chained rows, average free space, or number of unused data blocks.2. Oracle Database automatically collects index statistics whenever an index is created or rebuilt. Excepti
