Statement为一条Sql语句生成执行计划, 如果要执行两条sql语句select colume from table where colume=1;select colume from table where colume=2;会生成两个执行计划一千个查询就生成一千个执行计划!Prepared Read More
posted @ 2017-04-30 09:11 牛郑焜 Views(226) Comments(0) Diggs(0)