2020-02-16 标签:mysql,rownumber,sql,生成,增长,序号,使用,介绍,下面,几种,具体,实现,方法,建立,实验,环境,如下,create,table

下面介绍几种具体的实现方法.建立实验环境如下mysql> create table tbl (->idint primary key,->colint-> );Query OK, 0 rows affected (0.08 sec)mysql> insert into

2020-02-16 标签:sql,server,排序,函数,row,number,rank,用法,总结,基本,select,customerid,order,rownumber,sales,结果

1.ROW_NUMBER()基本用法：SELECTSalesOrderID,CustomerID,ROW_NUMBER() OVER (ORDER BY SalesOrderID) AS RowNumber FROM Sales.SalesOrderHeader结果集：SalesOrderIDCus