1.casewhen用在取字段名上selectid,username (casewhenf.answererisnotnullthen1else0end)asisAnswer ffromuser2.根据区间进行选择值selectcasewhentypein(1,2)then1whentypein(3,4)then2whentypein(5,6,7,8)then3whentypein(9,10,11,12,13,14,15)then4whentypein(16,17,18)then5whentypein(19,20,...
case when in sql server's stored procedure Evaluates a list of conditions and returns one of multiple possible result expressions. The CASE expression hastwo formats: The simple CASE expression compares an expression to a set of simple expressions to determine the result. The searched CASE expressi...
sqlserver中casewhen的⽤法 Case具有两种格式。简单Case函数和Case搜索函数。--简单Case函数 CASE sex WHEN '1' THEN '男'WHEN '2' THEN '⼥'ELSE '其他' END --Case搜索函数 CASE WHEN sex = '1' THEN '男'WHEN sex = '2' THEN '⼥'ELSE '其他' END 这两种⽅式，可以实现相同的功能。简单...
傳回第一個評估為 TRUE 之input_expression=when_expression的result_expression。 如果沒有任何input_expression=when_expression評估為 TRUE,若指定了 ELSE 子句,SQL Server 資料庫引擎就會傳回else_result_expression,若未指定 ELSE 子句,則會傳回 NULL 值。
case when in sql server's stored procedure https://docs.microsoft.com/en-us/sql/t-sql/language-elements/case-transact-sql Evaluates a list of conditions and returns one of multiple possible result expressions. The CASE expression hastwo formats:...
问SQL Server 2000: select into case when in order by子句EN下面来总计下之前的随笔中所说过的所有...
SQL Server中的WHEN ELSE in Case表达式 我正在SQL Server中编写case表达式,希望在else块中添加硬编码值。 我想检查case表达式,如果下面的DHB输出是2.1和ABC001,那么它应该显示ABC Hospital的硬编码值。 SELECT DISTINCT userid, CASE WHEN CHARINDEX('-', e.name) > 0...
sqlserver进阶查询:top语句;case when;in;with关键字;exists关键字;表复制;分页查询;union all;行转列(列转行);连接查询;递归查询,多个表通过字段之间的关系进行关联,在关联后,通过查询得到我们想要的数据。可以通过一个参数,可以查询到无限层级下的数据,
–简单Case函数 CASE sex WHEN ‘1’ THEN ‘男’ WHEN ‘2’ THEN ‘女’ ELSE ‘其他’ END ...
I can't calculate in case when sql. it always return wrong value actual_amount= 17.5 expexted_amount=0 select case when cast (cast ([actual_amount] as float) as money) - cast (cast ([expected_amouunt] as float) as money) < 0 then cast (cast