PART I – 概览.........................................................................................................................11 第 1章 – DB2 Express-C是什么?..........................................................................................
PART I – 概览.........................................................................................................................11 第 1章 – DB2 Express-C是什么?..........................................................................................
数据库 等待事件Db file sequential read的介绍。The db file sequential read Oracle metric event signifies that the user process is reading buffers into the SGA buffer cache and is waiting for a physical I/O call to return. This call differs from a scattered read