예를 들어 SELECT, UPDATE, DELETE 및 SET과 같은 문과 <select_list>, IN, WHERE, ORDER BY 및 HAVING과 같은 절에 CASE를 사용할 수 있습니다.Transact-SQL 구문 표기 규칙Syntax
...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...
たとえば、SELECT、UPDATE、DELETE、SET などのステートメントや、、IN、WHERE、ORDER BY、HAVING などの句で CASE を使用できます。 Transact-SQL 構文表記規則 構文 SQL Server、Azure SQL Database、Azure Synapse Analytics の構文。 syntaxsql コピー -- Simple CASE expression: CASE input_expressio...
CASE 搜索条件1 2 3 4 5 6 7 SELECT OrderID, Quantity, CASEWHEN Quantity > 30 THEN "The quantity is greater than 30" WHEN Quantity = 30 THEN "The quantity is 30" ELSE "The quantity is under 30" END FROM OrderDetails; CASE分组条件...
CASE 可以用在允許有效運算式的任何陳述式或子句中。 例如,您可以在 SELECT、UPDATE、DELETE 和 SET 之類的陳述式,以及 、IN、WHERE、ORDER BY 和 HAVING 之類的子句中使用 CASE。Transact-SQL 語法慣例SyntaxSQL Server、Azure SQL Database 和 Azure Synapse Analytics 的語法。syntaxsql 複製...
Once the condition and expression are matched, it returns the expression mentioned in THEN clause. We have following syntax for a case statement in SQL with a simple expression 1 2 3 4 5 6 SELECT CASE Expression When expression1 Then Result1 When expression2 Then Result2 ... ELSE ...
(SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } executeUpdate创建DB并使用他的前两个...MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to...(Util.java:411) at com.mysql.jdbc.Util.getInstance(Util.java:386...
Transact-SQL Index .NET Framework error occurred during execution of user-defined routine or aggregate "geography" 'IF EXISTS(SELECT COUNT(1))' VS 'IF EXISTS(SELECT 1) ' 'Incorrect syntax near' error while executing dynamic sql 'INSERT EXEC' within a ...
dbeaver,执行SQL时,空行导致SQL执行报错" ERROR: syntax error at or near "case"Position: 1" 解决: 删除空白行校验,删空白行分隔 操作: 首选项 ---> 编辑器 ---> SQL编辑器 ---> SQL处理 ---> 取消"空白行是语句分隔符"校验 报错前SQL 解决后...
supportsStoredFunctionsUsingCallSyntax 方法 (SQLServerDatabaseMetaData) supportsSubqueriesInComparisons 方法 (SQLServerDatabaseMetaData) supportsSubqueriesInExists 方法(SQLServerDatabaseMetaData) supportsSubqueriesInIns 方法 (SQLServerDatabaseMetaData) supportsSubqueriesInQuantifieds 方法(SQLServerDatabaseMe...