DB Bocks gets,Consistent gets And Physical reads的区别
DBBocksgets,ConsistentgetsAndPhysicalreadsDBblockgets,Consistentgets,Physicalreads与Logicalreads各自具体表示的是什么以及之间的的关系到底是怎样。官方在线文档基本的定义为如下:DBblockgets:thenumberofaccessestothecurrentimageofablockConsistent