The simple CASE statement has the following structure: CASE selector WHEN selector_value_1 THEN statements_1 WHEN selector_value_1 THEN statement_2 ... ELSE else_statements END CASE; Code language: PostgreSQL SQ
SELECT CASE AS用法举例 To group and perform statistics on SQLite rows based on whether a specific column value is in a list or not, you can use theCASEstatement within theSELECTstatement. Here's an example: Let's assume you have a table called "employees" with columns "employee_id," "e...
我正试图使用星火SQL中的嵌套案例,如下所示CAST(CASE WHEN 2 > 0 THEN 2.0 ELSE 1.2 END ASError in SQL statement: ParseException: mismatched input '1' expecting {<EOF>, ';'}(line 1, pos 17)== 浏览20提问于2022-07-20得票数 0 回答已采纳 1回答 是否可以在同一外部查询的case语句中使用子查...
Select Casestatements can be nested. Each nestedSelect Casestatement must have a matchingEnd Selectstatement. Example This example uses theSelect Casestatement to evaluate the value of a variable. The secondCaseclause contains the value of the variable being evaluated, and therefore only the statement...
The case statement in SQL returns a value on a specified condition. We can use a Case statement in select queries along with Where, Order By, and Group By clause. It can be used in the Insert statement as well. In this article, we would explore the CASE statement and its various use...
If the code within aCaseorCase Elsestatement block does not need to run any more of the statements in the block, it can exit the block by using theExit Selectstatement. This transfers control immediately to the statement followingEnd Select. ...
Case 1 – When the Select Case Returns False Statement As the previous statement states, theLike operatorwill look for a pattern in your given condition and returnTrueif any of the matches are found. Look at a typical code given below. ...
I vaguely remember using a case clause in a select statement in a former occupation, but now that I am using mysql (with php) I am encountering my first need for it and don't know if I can do what I want. I need to add a sequencing field to my query results based upon whether ...
SELECT [BusinessEntityID],[JobTitle],[BirthDate],[SalariedFlag],IsEmployee=CASE [SalariedFlag] WHEN 1 THEN'Salaried Employee'WHEN 0 THEN'Contractor'ELSE'N/A'END FROM [HumanResources].[Employee] The downside of the simple CASE statement is that you can only check for equality. ...
我可以直接使用“in”,但不能与“case”语句一起使用。谢谢,拉胡尔 mysqlwildcardwhere-clausecase-statement 来源:https://stackoverflow.com/questions/53685157/how-to-use-in-with-case-statement-in-where-clause 关注 举报1条答案按热度按时间 2g32fytz1# SELECT ordermaster CASE WHEN OrderStatus = 1 ...