如果在初始 Case 中未找到匹配项,将执行 Case Else 语句所引入的语句。在同一个 Select 块中的 Case Else 语句之后找到了 Case 语句。**错误 ID:**BC30321更正此错误将Case Else 移动到 Case 语句之后的适当位置。请参见参考Select...Case 语句 (Visual Basic)...
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...
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 ...
如果在一開始的 Case 中找不到符合項目,Case Else 陳述式才會引導陳述式執行。在相同的 Select 區塊的 Case Else 之後,出現 Case 陳述式。錯誤ID:BC30321若要更正這個錯誤移動Case Else 至 Case 陳述式後的適當位置。請參閱參考Select...Case 陳述式 (Visual Basic)...
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. ...
In this article, you will find 7 examples of using VBA the Select Case statement with the Like operator in Excel.
是一种在SQL中使用的查询语句,它允许根据特定条件返回不同的结果。通过使用case条件,可以根据不同的情况执行不同的逻辑操作。 在SQL中,带有case条件的Select语句的语法如下: ```s...
在SQL语句中,Select Case语句是一种条件语句,用于根据不同的条件执行不同的操作。它可以根据一个或多个表达式的值来选择执行不同的代码块。 Select Case语句的语法如下: ```s...
百度试题 题目 不能够在一个循环中既有Select Case语句,又有If语句。Select Case and If-Then statements cannot appare in the same loop. A.正确 B.错误 相关知识点: 试题来源: 解析 错误 反馈 收藏
Use CASE WHEN statement in SELECT /* mysql> SELECT Name, RatingID AS Rating, -> CASE RatingID -> WHEN 'R' THEN 'Under 17 requires an adult.' -> WHEN 'X' THEN 'No one 17 and under.' -> WHEN 'NR' THEN 'Use discretion when renting.' -> ELSE 'OK to rent to minors.' -> ...