In the T-SQL scripting language, you can use the SQL CASE statement to evaluate a condition and return one or more result expressions. This SQL Tutorial will teach you when and how you can use CASE in T-SQL statements. Solution TheCASE expressionis used to build IF … THEN … ELSE stat...
Alternating colors for gropus in an SSRS Report Always print a report in Landscape/Portrait An attempt has been made to use a data extension that is either not registered for this report server or is not supported in this edition of reporting services. An attempt was made to set a datase...
The case statement in SQL returns a value on a specified condition. We can use a Case statement in select queries along with Where, Order By, and Group By clause. It can be used in the Insert statement as well. In this article, we would explore the CASE statement and its various use...
There are times where you need to write a single TSQL statement that is able to return different TSQL expressions based on the evaluation of another expression. When you need this kind of functionality you can use the CASE expression or IIF function to meet this requirement. In this article I...
TSQL是一种用于管理和操作关系型数据库的编程语言,它支持使用CASE语句来更新多个列,但更新操作的结果取决于特定的值。 CASE语句是一种条件表达式,它允许根据不同的条件执行不同的操作。在TSQL中,可以使用CASE语句来更新多个列的值,具体步骤如下: 使用UPDATE语句来指定要更新的表和列。 在SET子句中,使用CASE语句...
SQL CASE Statement - Learn how to use the SQL CASE statement to perform conditional logic in your SQL queries effectively.
Within a SELECT statement, theCASEexpression allows for values to be replaced in the result set based on comparison values. The following example uses theCASEexpression to change the display of product line categories to make them more understandable. When a value doesn't exist, the text "Not ...
...= "" IF ELSE 流程控制语句 在mysql存储过程中的用法: IF search_condition THEN statement_list [ELSEIF search_condition...[ELSE statement_list] END IF IF作为一条语句,在END IF后需要加上分号“;”以表示语句结束,其他语句如CASE、LOOP等也是相同的。...UPDATE salary SET sex = IF(sex = 'm'...
CASE (Transact-SQL) A. 使用带有 CASE 简单表达式的 SELECT 语句 Using a SELECT statement with a simple CASE expression 在SELECT 语句中,CASE 简单表达式只能用于等同性检查,而不进行其他比较。 下面的示例使用 CASE 表达式更改产品系列类别的显示,以使这些类别更易于理解。
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Applies to: Azure SQL Database and SQL Server starting SQL Server 2017 (14.x) CASE expressions are supported in natively compiled T-SQL modules. The following example demonstrates a way to ...