摘要:
1、Mybatis中数据库语句的选择 使用: <choose> <when test="relationType=='L'"> <choose> <when test="pe=='EX"> = c.code </when> <otherwise > =c.ex </otherwise> </choo 阅读全文
摘要:
1、下面的数据库语法中1,0代表什么意思? SELECT R.DEPT_CODE AS CODE, 1 AS INSIDE, 0 AS DISTANCE FROM T_MAP_EXP_DEPT_REGION R WHERE R.ACTIVE='Y' AND R.Region_Audit_State= 阅读全文