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 , IN, WHERE, ORDER BY, and HAVING.Transact-SQL syntax...
CASEcan be used in any statement or clause that allows a valid expression. For example, you can useCASEin statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as, IN, WHERE, ORDER BY, and HAVING. Transact-SQL syntax...
Microsoft JDBC 驅動程式適用於 SQL Server 開始 概述 API 參考 API 參考 ISQLServerCallableStatement 介面 ISQLServerConnection 介面 ISQLServerDataSource 介面 ISQLServerPreparedStatement 介面 ISQLServerResultSet 介面 ISQLServerStatement 介面 DateTimeOffset 類別 SQLServerBlob 類別 SQLServerCallabl...
Can I sort row without order by clause Can I UPDATE, then INSERT if no record updated? Can I use a COLLATE clause in a temp table definition? Can I use aggregate function within CASE? Can I use if statement in a table valued function? Can I use LEN or DATALENGTH in a WHERE clause...
TheCASEexpression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result. If no conditions are true, it returns the value in theELSEclause. ...
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. ...
ORDER BY ProductNumber ; GO C. 在 ORDER BY 子句中使用 CASE 下面的示例在 ORDER BY 子句中使用 CASE 表达式,以根据给定的列值确定行的排序顺序。 The following examples uses the CASE expression in an ORDER BY clause to determine the sort order of the rows based on a given column value. ...
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. Transact-SQL Syntax Conventions Syntax Copy Simple CASE...
in the order defined. If a <range-clause>matchesa , then the <statement-block> in the <case-clause> is executed. Upon execution of the <statement-block>, execution of the immediately completes (and each subsequent <case-clause> is not evaluated). If the <range-clause> is an <expressi...
Can I sort row without order by clause Can I UPDATE, then INSERT if no record updated? Can I use a COLLATE clause in a temp table definition? Can I use aggregate function within CASE? Can I use if statement in a table valued function? Can I use LEN or DATALENGTH in a WHERE clause...