[WITH [RECURSIVE] with_query [,…] ] SELECT … 其中,with_query的语法为: with_query_name [ ( column_name [, ...] ) ] AS ( {select | values | insert | update | delete} ) 关键要点如下: 每个CTE的AS语句指定的SQL语句,必须是可以返回查询结果的语句,可以是普通的SELECT语句,也可以是INSERT...
实现递归的CTE语法如下: [WITH[,n]] ::= expression_name[(column_name[,n])] AS( CTE_query_definition1 -- 定位点成员(也就是初始值或第一个结果集) unionall CTE_query_definition2 -- 递归成员 ) 下面是使用递归CTE来获得“辽宁省”及下面所有市、区的信息的SQL语句: with districtas ( -- 获得...
with_query_name [ ( column_name [, ...] ) ] AS ( {select| values | insert | update | delete} ) 关键要点如下: 每个CTE的AS语句指定的SQL语句,必须是可以返回查询结果的语句,可以是普通的SELECT语句,也可以是INSERT、UPDATE、DELETE、VALUES等其它语句,需要通过RETURNING子句返回元组。例如: WITH s AS...
A basic SQL query in Azure Cosmos DB for NoSQL would be similar to the same query in any other database platform; it would be composed of a few essential components: TheSELECTkeyword Either an asterisk to indicate all possible fields or an inclusive list of fields ...
with_query_name [ ( column_name [, ...] ) ] AS ( {select | values | insert | update | delete} ) 1. 2. 关键要点如下: 每个CTE的AS语句指定的SQL语句,必须是可以返回查询结果的语句,可以是普通的SELECT语句,也可以是INSERT、UPDATE、DELETE、VALUES等其它语句,需要通过RETURNING子句返回元组。例如:...
[WITH [RECURSIVE] with_query [,…] ] SELECT … 其中,with_query的语法为: with_query_name [ ( column_name [, ...] ) ] AS ( {select | values | insert | update | delete} ) 关键要点如下: 每个CTE的AS语句指定的SQL语句,必须是可以返回查询结果的语句,可以是普通的SELECT语句,也可以是INSERT...
8,The example query shows all goals scored in the Germany-Greece quarterfinal.Instead show the name of all players who scored a goal against Germany. Select goals scored only by non-German players in matches where GER was the id of either team1 or team2. You can use teamid!='GER' to...
Here's a query that groups by the sip, fund and shortname. Any columns in tmp1 that will have different values for rows with the same group columns should be in the select for the grouping and you need to decide which value you want. The remaining values can come from the original ta...
with_query_name[(column_name[,...])]AS({select|values|insert|update|delete}) 关键要点如下: 每个CTE的AS语句指定的SQL语句,必须是可以返回查询结果的语句,可以是普通的SELECT语句,也可以是INSERT、UPDATE、DELETE、VALUES等其它语句,需要通过RETURNING子句返回元组。例如: ...
SQL Server中With As的介绍与应用(一)--With As的介绍 前言 最早接触的SQL是从2000开始的,后来慢慢地都用了2008了,不过很多新的语法都没有用过,在这里要讲一下With As也是因为在项目中遇到了一个问题,后面在网上找了找发现的With As的用法可以实现,这一篇我就先简单介绍一下With As,下一篇中会列出来在...