CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING. --Syntax for SQL Server and Azure SQL DatabaseSimple...
CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING. --Syntax for SQL Server and Azure SQL DatabaseSimple...
CASE AlarmEventTransactions.DeviceID应该就是CASE。您正在混合the 2 forms of theCASEexpression。
CASE AlarmEventTransactions.DeviceID应该就是CASE。您正在混合the 2 forms of theCASEexpression。
This creates start and end columns by doing a CASE WHEN.
The syntax for the CASE statement in SQL Server (Transact-SQL) is: CASE expression WHEN value_1 THEN result_1 WHEN value_2 THEN result_2 ... WHEN value_n THEN result_n ELSE result END OR CASE WHEN condition_1 THEN result_1 WHEN condition_2 THEN result_2 ... WHEN condition_n THEN...
asked Jul 9, 2019 in SQL by Tech4ever (20.3k points) The OR in the WHEN clause of a CASE statement is not supported. How can I do this? CASE ebv.db_no WHEN 22978 OR 23218 OR 23219 THEN 'WECS 9500' ELSE 'WECS 9520' END as wecs_system sql sql-server tsql case case...
我正试图使用星火SQL中的嵌套案例,如下所示CAST(CASE WHEN 2 > 0 THEN 2.0 ELSE 1.2 END ASError in SQL statement: ParseException: mismatched input '1' expecting {<EOF>, ';'}(line 1, pos 17)== 浏览20提问于2022-07-20得票数 0 回答已采纳 ...
在编程中,SQL(结构化查询语言)是一种用于管理关系数据库的语言。它允许用户查询、插入、更新和删除数据库中的数据。在SQL中,可以使用CASE-WHEN语句来根据特定条件对数据进行条件性处理。 当需...
CASE WHEN Boolean_expression THEN result_expression [ ...n ] [ ELSE else_result_expression ] END Arguments input_expression The expression evaluated when you use the simple CASE format. The input_expression argument is any valid expression in Microsoft SQL Server Compact 3.5. WHEN when_expressio...