实验环境:sql server 2008 R2 case when 多条件编写方法 case when多条件编写语法: case when 条件1 and 条件2 then '1' when 条件1 and 条件2 then '1' else end case when 多条件编写举例 createtable[maomao365.com](keyIdintidentity, xingBievarchar(100) )goinsertinto[maomao365.com](xingbie)valu...
mssqlsqlserver如何编写casewhen多条件呢？摘要:下⽂讲述case when中多条件的编写⽅法，如下所⽰:实验环境:sql server 2008 R2 case when 多条件编写⽅法 case when多条件编写语法：case when 条件1 and 条件2 then '1'when 条件1 and 条件2 then '1'else end case when 多条件编写举例 create table...
下文讲述case when中多条件的编写方法,如下所示: 实验环境:sql server 2008 R2 case when 多条件编写方法 case when多条件编写语法: case when 条件1 and 条件2 then '1' when 条件1 and 条件2 then '1' else end case when 多条件编写举例 create table [maomao365.com](keyId int identity, xingBie ...
如果使用Case函数,SQL代码如下: SELECTSUM(population),CASEcountryWHEN'中国'THEN'亚洲'WHEN'印度'THEN'亚洲'WHEN'日本'THEN'亚洲'WHEN'美国'THEN'北美洲'WHEN'加拿大'THEN'北美洲'WHEN'墨西哥'THEN'北美洲'ELSE'其他'ENDFROMTable_AGROUPBYCASEcountryWHEN'中国'THEN'亚洲'WHEN'印度'THEN'亚洲'WHEN'日本'THEN'亚...
mssql与mysql区别之三:CASE多分支语句 mssql: select xx.id,评价=case when name='a' then '优秀' when name='b' then '良好' else '一般' end from xx 1. 2. 3. 4. 5. 6. mysql: select total,case when total>0 then '浪费' else '节约' end as '评价'...
B. 使用带有 CASE 搜索函数的 SELECT 语句 在 SELECT 语句中，CASE 搜索函数允许根据比较值在结果集内对值进行替换。 下面的示例根据产品的价格范围将标价显示为文本注释。USE AdventureWorks;GOSELECT ProductNumber, Name, 'Price Range' = CASE WHEN ListPrice = 0 THEN 'Mfg item - not for ...
WHEN price < 10 THEN 'Bargain' WHEN price BETWEEN 10 and 20 THEN 'Average' ELSE 'Gift to impress relatives' END GO ORDER BY 的Case when SELECT CASE WHEN price IS NULL THEN 'Unpriced' WHEN price < 10 THEN 'Bargain' WHEN price BETWEEN 10 and 20 THEN 'Average' ...
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mssql case when then 2008-05-06 16:07 −[转载]http://www.kingmx.com/article/14683CASE 可能是 SQL 中被误用最多的关键字之一。虽然你可能以前用过这个关键字来创建字段,但是它还具有更多用法。例如,你可以在 WHERE 子句中使用 CASE。 首先让我们看一下 CASE 的语法。在一般的 SELE... ...
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