如何在 MySQL 中找到列名长度大于 5 的所有列？
使用HAVING查找列名称长度大于5的所有列。这将产生以下输出-
+-------------------+-------------------------+ | TABLE_NAME | COLUMN_NAME | +-------------------+-------------------------+ | DemoTable | UserId | | DemoTable | EndDate | | DemoTable | StartDate | | DemoTable | StudentFavouriteSubject | | DemoTable | StudentFirstName | | DemoTable | StudentId | | DemoTable | ShippingDate | | DemoTable | Number | | DemoTable | Value1 | | DemoTable | Value2 | | DemoTable | ArrivalDate | | DemoTable | ShippingDate | | DemoTable | UserAge | | DemoTable | UserId | | DemoTable | UserName | | DemoTable | CustomerId | | DemoTable | CustomerValue | | DemoTable | UserId | | DemoTable | UserMailId | | DemoTable | FirstName | | DemoTable | Number | | DemoTable | isMarried | | DemoTable | Number | | DemoTable | FruitName | | DemoTable | FruitPrice | | DemoTable | CustomerAllProductPrice | | DemoTable | CustomerId | | DemoTable | CustomerName | | DemoTable | UserId | | DemoTable | UserScore | | DemoTable | StudentAge | | DemoTable | StudentCountryName | | DemoTable | StudentFirstName | | DemoTable | StudentId | | DemoTable | StudentLastName | | DemoTable | FirstName | | DemoTable | Arrivaldatetime | | DemoTable | Amount | | DemoTable | Number | | DemoTable | Number | | DemoTable | FirstName | | DemoTable | CustomerId | | DemoTable | CustomerPrice | | DemoTable | CustomerProductName | | DemoTable | CustomerProductQuantity | | DemoTable | Value1 | | DemoTable | Value2 | | DemoTable | FirstName | | DemoTable | LastName | | DemoTable | UserId | | DemoTable | MonthNumber | | DemoTable | YearNumber | | insertcurrentdate | currentDate | | student | first_name | | student | last_name | +-------------------+-------------------------+ 55 rows in set (0.01 sec)
热门推荐
10 小红书平安祝福语简短
11 生日祝福语大全女孩简短
12 收生日红包祝福语 简短
13 领证幽默祝福语简短
14 法考面试祝福语简短
15 老哥出门祝福语简短语
16 送灯祝福语简短独特
17 幼儿狗年祝福语大全简短
18 好听的元旦简短祝福语