我想在dbForge sql窗口上运行SQL语句,但得到错误:select 's';错误: 1 You have anerror in your SQL syntax; check the manual that corresponds to your MySQL server version for the rightsyntax to use near &# 浏览0提问于2012-06-14得票数 0 回答已采纳 2回答 为什么此sql不识别IF语句中的TargetPosi...
SQL Server 2022 Multidimensional Expressions (MDX) Reference MDX Syntax Elements MDX Language Reference MDX Language Reference MDX Syntax Conventions MDX Statement Reference MDX Operator Reference MDX Function Reference MDX Function Reference AddCalculatedMembers ...
...UPDATE salary SET sex = IF(sex = 'm', 'f', 'm') 也可以利用条件语句,在搜索的时候,直接进行数据转换 select *,(CASE WHEN sex='1'...参考资料: 1、Mysql if case总结 2、Leetcode swap salary 3、select case when if 的一些用法 4、IF Syntax...
Syntax for SQL Server, Azure SQL Database and Azure Synapse Analytics. syntaxsqlКопирај -- Simple CASE expression:CASEinput_expressionWHENwhen_expressionTHENresult_expression[ ...n ] [ELSEelse_result_expression]END-- Searched CASE expression:CASEWHENBoolean_expressionTHENresult_expression[ ...
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. ...
Microsoft’s implementation of CASE expressions in SQL Server is compliant with the ANSI SQL-92 standard. A Quick Example Sometimes a quick example is worth several hundred descriptive words, so let’s take a look at a sample SQL statement using a CASE expression on the title table in the ...
in a single CASE expression. When you have multiple conditional expressions in your CASE clause, the first expression that evaluates to TRUE will be the code block that is evaluated by your TSQL statement. To better understand how the CASE expression works I will review the syntax of the CASE...
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. ...
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 ...
supportsStatementPooling 方法 (SQLServerDatabaseMetaData) supportsStoredProcedures 方法 (SQLServerDatabaseMetaData) supportsStoredFunctionsUsingCallSyntax 方法 (SQLServerDatabaseMetaData) supportsSubqueriesInComparisons 方法 (SQLServerDatabaseMetaData) supportsSubqueriesInExists 方法 (SQLServerDatabaseMet...