The following illustrates the syntax of the searched CASE statement: 1 2 3 4 5 6 CASE WHEN condition_1 THEN commands WHEN condition_2 THEN commands ... ELSE commands END CASE; MySQL evaluates each condition in the WHEN clause until it finds a condition whose value is TRUE , then corresp...
The CASE statement cannot have an ELSE NULL clause, and it is terminated with END CASE instead of END. For the first syntax, case_value is an expression. This value is compared to the when_value expression in each WHEN clause until one of them is equal. When an equal when_value is ...
The CASE statement cannot have an ELSE NULL clause, and it is terminated with END CASE instead of END. For the first syntax, case_value is an expression. This value is compared to the when_value expression in each WHEN clause until one of them is equal. When an equal when_value is ...
The following illustrates the syntax of the searched CASE statement: CASE WHEN condition_1 THEN commands WHEN condition_2 THEN commands ... ELSE commands END CASE; MySQL evaluates each condition in the WHEN clause until it finds a condition whose value is TRUE, then corresponding commands in the...
MySQL CASE operator CASE operator TheCase statement in MySQLallows for the implementation of intricate conditional constructs in the specified context. Syntax: CASE value WHEN [compare_value] THEN result [WHEN [compare_value] THEN result ...] ...
atcom.mysql.cj.jdbc.StatementImpl.executeBatch(StatementImpl.java:795)~[mysql-connector-java-8.0.28.jar:8.0.28] atcom.greatsync.connector.jdbc.statement.FieldNamedPreparedStatementImpl.executeBatch(FieldNamedPreparedStatementImpl.java:77)~[blob_p-90078b57fb2c51eb5935c045d2e493ef0a7d1524-e9c0e1166eea...
我知道MySQL Workbench脚本编辑器在我单击应用时会自动应用分隔符代码,因此不接受手动提供DELIMITER $$。但由于这个原因,当我尝试使用;分隔符和ENDCASE/IF时,我得到了这个由statement is incomplete语法错误组成的无限循环。我声明了在CASE语句中使用的2个变量来避免这些错误。但没有得到预期的结果。
问MySQL Case语句，在‘Statement List’(语句列表)中返回多个行( Then...)EN需求： 同时：中文名...
In this syntax, `CASE` checks each condition sequentially and returns the corresponding result for the first true condition; if none are true, it returns the `ELSE` result. Examples 1. Basic Case Usage SELECTproduct_name,CASEWHENstock_quantity>0THEN'In Stock'ELSE'Out of Stock'ENDASstock_stat...
Category:MySQL Server: DMLSeverity:S3 (Non-critical) Version:8.0OS:Any Assigned to:CPU Architecture:Any Tags:case ... when,UPDATE [1 Feb 2024 10:50] yi qian Description:When using a subquery with a case when in the update statement, the updated data does not match the expected results ...