多块读的操作:全表扫描,index fast full scan ,merge,rowid range scan
单块读:index unique scan ,index full scan ,index range scan,逻辑读
转载于:https://www.cnblogs.com/zhaoyangjian724/p/3797858.html
多块读的操作:全表扫描,index fast full scan ,merge,rowid range scan
单块读:index unique scan ,index full scan ,index range scan,逻辑读
转载于:https://www.cnblogs.com/zhaoyangjian724/p/3797858.html