1.WHILE 循环 DECLARE @intFlag INT SET @intFlag = 1 WHILE (@intFlag <=5)BEGIN PRINT @intFlag SET @intFlag = @intFlag + 1 END GO ResultSet:1 2 3 4 5 2.WHILE 循环里面加 BREAK 关键字 DECLARE @intFlag INT SET @intFlag = 1 WHILE (@intFlag <=5)BEGIN PRINT @intFlag SET ...
(1)这里需要注意的是DELIMITER //和DELIMITER ;两句,DELIMITER是分割符的意思,因为MySQL默认以";"为分隔符,如果我们没有声明分割符,那么编译器会把存储过程当成SQL语句进行处理,则存储过程的编译过程会报错,所以要事先用DELIMITER关键字申明当前段分隔符,这样MySQL才会将";"当做存储过程中的代码,不会执行这些代码,用...
在使用while do循环时,可能会遇到如下的错误信息: ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘while do’ at line 1 这个错误信息表明MySQL解析器在语法分析过程中遇到了问题,并指出了...
do-while语句是一种循环语句,它会在执行循环体内的代码后,检查循环条件是否满足。如果循环条件满足,则继续执行循环体内的代码;否则,退出循环。do-while语句的语法如下: 代码语言:c 复制 do { // 循环体内的代码 } while (循环条件); switch语句 switch语句是一种多路分支语句,它根据一个表达式的值,选择执行不同...
SQL Copiar CREATE PROCEDURE dbo.usp_InsertSampleCarts @InsertCount INT WITH NATIVE_COMPILATION, SCHEMABINDING AS BEGIN ATOMIC WITH (TRANSACTION ISOLATION LEVEL = SNAPSHOT, LANGUAGE = N'us_english') DECLARE @i INT = 0 WHILE @i < @InsertCount BEGIN INSERT INTO dbo.ShoppingCart VALUES (1, SYS...
0xC0010206-1073675770 DTS_E_WRITEWHILECACHEINUSE O cache está sendo lido a partir de %1 e não pode ser gravado por %2. 0xC0011001-1073672191 DTS_E_CANTLOADFROMNODE O objeto de runtime não pode ser carregado a partir do nó XML especificado. Isso ocorre quando se tenta ca...
Use the work unit interface IUnitOfWork to implement database transactions.While injecting the custom storage interface, it also injects the IUnitOfWork interface corresponding to the database unit.Here it is IUnitOfWork1.The usage is as follows[ApiController] [Route("[controller]/[action]")] ...
Conclusion question: How many ways of writing a loop in VBScript? My answer is 7: "For ... Next". "While ... Wend". "Do While ... Loop". "Do Until ... Loop". "Do ... Loop While". "Do ... Loop Until". "For Each ... Next" - Used with arrays and collections. See ...
实验三:分别用for、while和do-while循环语句以及递归方法计算n!,并输出算式 一:用for循环输出(代码) 一:用for循环输出(结果) ——— 二:用while循环输出(代码) 二:用while语句输出(结果) ——— 三:用do-while语句输出(代码) 三
SQL Server loop - how do I loop through a set of records By using T-SQL and cursors like this : DECLARE@MyCursorCURSOR;DECLARE@MyFieldYourFieldDataType;BEGINSET@MyCursor=CURSORFORselecttop1000YourFieldfromdbo.tablewhereStatusID=7OPEN@MyCursorFETCHNEXTFROM@MyCursorINTO@MyFieldWHILE@@FETCH_STATUS...