恭贺moneybull继承大统# EB23 - 劳工卡
r*g
1 楼
How will u find the highest and second highest salary in each group using a
single SQL query ?
have to write SQL code used in different platforms: e.g. both Oracle and SQL
Server
single SQL query ?
have to write SQL code used in different platforms: e.g. both Oracle and SQL
Server