CASE WHEN 语句在Oracle和Sybase库中的不同 今天提交程序之后,反应有BUG,经仔细查询,发现一个之前并没注意到的问题,那就是case when 语句在Oracle中执行的BUG,用脚本来说明; Oracle --建表 CREATE TABLE TABLE_01 (CODE INT NOT NULL, NAME VARCHAR2(20) NULL); --插入数值,之所以分别插入null和''是因为在...
CASE WHEN 语句在Oracle和Sybase库中的不同 今天提交程序之后,反应有BUG,经仔细查询,发现一个之前并没注意到的问题,那就是case when 语句在Oracle中执行的BUG,用脚本来说明; Oracle --建表 CREATE TABLE TABLE_01 (CODE INT NOT NULL, NAME VARCHAR2(20) NULL); --插入数值,之所以分别插入null和''是因为在...
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...
In this example, if the comm column (which is the commision for an employee) has a 0 value, it will be returned as a NULL as shown in the sample output. The coalesce statement is a bit like the Oracle NVL function. Given an unlimited number of arguments, it will return the first no...
Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i Example The CASE statement can be used in Oracle/PLSQL. You could use the CASE statement in a SQL statement as follows: (includes theexpressionclause) SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' ...
where key_1 in (:input_set) 然后我将输入设置为::input_set=('1,2,3') 然而,我找不到一个办法让这个工作。 Thanks OldProgrammer. 我使用了部分答案:Oracle:using IN子句with text field? select * from table_1 where key_1 in ( when pzgr_id in ( ...
oracle 中 case when 的用法 在Oracle 中,case when 是一种条件判断语句,用于根据条件 返回不同的结果。它通常与 else 语句连用,以返回除条件为真时之 外的结果。 以下是 case when 的一些用法示例: 1. 简单 case 表达式: ``` SELECT case when age > 20 THEN "青年" when age < 18 THEN "少年" el...
When building a cloud ERP business case, start by grounding the effort in the company’s strategy and the capabilities needed to execute on that strategy. Look to your future needs. Then, identify gaps between those capabilities and the current state of your organization's ERP systems and relat...
Simple CASE Example For each customer in the sampleoe.customerstable, the following statement lists the credit limit as "Low" if it equals $100, "High" if it equals $5000, and "Medium" if it equals anything else. SELECT cust_last_name, CASE credit_limit WHEN 100 THEN 'Low' WHEN 5000...
FromOracle Database 23ai, theautomatic SQL transpilercan extract SQL expressions in PL/SQL. These are then part of the SQL statement, so at runtime it's as-if the function doesn't exist! To do this, ensure thesql_transpilerparameter ison(it'soffby default). When a function in thewh...