WHEN price IS NULL THEN 'Unpriced' WHEN price < 10 THEN 'Bargain' WHEN price BETWEEN 10 and 20 THEN 'Average' ELSE 'Gift to impress relatives' END, Title ORDER BY CASE WHEN price IS NULL THEN 'Unpriced' WHEN pr
CASE expression syntax is similar to an IF-THEN-ELSE statement. Oracle checks each condition starting from the first condition (left to right). When a particular condition is satisfied (WHEN part) the expression returns the tagged value (THEN part). If none of the conditions are matched, the...
Here’s the syntax of the simpleCASEexpression: CASE e WHEN e1 THEN r1 WHEN e2 THEN r2 WHEN en THEN rn [ ELSE r_else ]ENDCode language:SQL (Structured Query Language)(sql) In this syntax, Oracle compares the input expression (e) to each comparison expression e1, e2, …, en. If th...
...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...
译:在Oracle 9i中,你可以在SQL语句中使用case条件。它具有IF-THEN-ELSE条件的功能。 The syntax for thecasestatement is: 译:语法如下 CASE expression WHEN condition_1 THEN result_1 WHEN condition_2 THEN result_2 ... WHEN condition_n THEN result_n ...
使用CASEwhen语句时出现RODBC“无效字符\n”错误 、、、 我正在尝试使用R中的RODBC在OracleSQL数据库上执行一个简单的"if/then“语句。SQL语句在SQLDeveloper v4.0.2.15中运行良好,但在R中执行相同的语句时抛出错误select Variable2,CA 浏览2提问于2014-07-10得票数 1 2回答...
Simple CASE expressions use expressions to determine the returned value and have the following syntax: CASE search_expression WHEN expression1 THEN result1 WHEN expression2 THEN result2 ... WHEN expressionN THEN resultN ELSE default_result
Basic syntax CASE expression syntax is similar to an IF-THEN-ELSE statement. Oracle checks each condition starting from the first condition (left to right). When a particular condition is satisfied (WHEN part) the expression returns the tagged value (THEN part). If none of the conditions are ...
Oracle Developer Studio C allows an extension found in some compilers, known as case ranges. A case range specifies a range of values to associate with an individual case label. The case range syntax is: case low ... high : A case range behaves as if case labels had been specified ...
CASE WHEN in SELECT syntax Aljosa Motore January 27, 2008 09:48AM Re: CASE WHEN in SELECT syntax Brian Papantonio January 27, 2008 01:06PM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright holders. It...