–简单Case函数 CASE sex WHEN ‘1’ THEN ‘男’ WHEN ‘2’ THEN ‘女’ ELSE ‘其他’ END ...
Transact-SQL reference for the CASE expression. CASE evaluates a list of conditions to return specific results.
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: The simple CASE expression compares an expression ...
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: The simple CASE expression compares an expression ...
<result> is an arbitrary SQL expression: it can be a simple expression like a constant or column name, or also a complex SQL expression containing subqueries and, of course, nested case expressions. A case expression can contain several when-then pairs. This allows for multiple conditions even...
The when_expression argument is any valid SQL Server expression. The data types of input_expression and each when_expression must be the same or must be implicitly converted.n A placeholder indicating that multiple WHEN when_expression THEN result_expression clauses, or multiple WHEN Boolean_...
WHEN 1 THEN 'Active Employee' ELSE 'Inactive Employee' END AS [Salaried Flag] FROM [AdventureWorks2019].[HumanResources].[employee] We can specify multiple conditions for the CASE statement. SELECT TOP 5 Nationalidnumber , CASE salariedflag ...
In the tipSQL Server CASE Expression Overview, Aaron has written a section about data type precedence in the CASE expression. Nesting CASE Expressions With the searched CASE expression, we can have multiple WHEN conditions: SELECT [BusinessEntityID],[JobTitle],[HireDate],Seniority=CASE WHENDATEDIFF...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric Evaluates a list of conditions and returns one of multiple possible result expressions. The CASE expressio...
SQL Reference (SQL Server Compact Edition) Save Add to Collections Add to Plan Share via Facebookx.comLinkedInEmail Print Article 06/28/2007 In this article Syntax Arguments Result Types Return Value Example Evaluates a list of conditions and returns one of multiple possible result expressions. ...