使用explain查看SQL语句执行分析-- 查询某表的name、score字段--我们使用SQLname,score from person where score = '90';select explain select column from table;explain select name,scor......
一、以主键为条件进行查询selectByExample的代码如下:Example example = new Example(Sku.class);Example.Criteria criteria = example.createCriteria();criteria.andEqualTo("id",2735......