sql - 创建随机数据

Question

我正在尝试在我的数据库中创建一些随机数据，正如您从下面的代码中看到的，我的订单号工作正常，我的订单日期也是如此，但我无法让我的 OrderLineNumber 工作，我希望它从 001 开始并运行 100一百行并以 100 结束。我认为这是一个简单的答案，但我就是想不通。

DECLARE @OrderNumber varchar (30)
DECLARE @OrderDate int
DECLARE @OrderLineNumber varchar(50)

SET @OrderNumber = 1
SET @OrderDate = 0
SET @OrderLineNumber = 001

WHILE @OrderNumber <= 100
WHILE @OrderDate <= 100
WHILE @OrderLineNumber <= 100

BEGIN
INSERT INTO Orders (OrderNumber, OrderDate, OrderLineNumber)
SELECT 'ORD' + Right ('000000' + CAST (@OrderNumber AS varchar (30)), 6),
DATEADD (day, CAST (RAND () * 1500 as int), '2008-1-1'),
(@OrderLineNumber = 0)

SET @OrderNumber = @OrderNumber + 1
SET @OrderDate = @OrderDate + 1
SET @OrderLineNumber = @OrderLineNumber +1
END

Answer 1

试试这个——

DECLARE @OrderNumber VARCHAR(30)
DECLARE @OrderDate INT
DECLARE @OrderLineNumber VARCHAR(50)

SET @OrderNumber=1
SET @OrderDate=0
SET @OrderLineNumber=001

WHILE @OrderNumber<=100
    WHILE @OrderDate<=100
        WHILE @OrderLineNumber<=100

        BEGIN
            INSERT INTO dbo.Orders (OrderNumber, OrderDate, OrderLineNumber)
                SELECT  'ORD'+RIGHT('000000'+CAST(@OrderNumber AS VARCHAR(30)),6)
                    ,   DATEADD(DAY,CAST(RAND()*1500 AS INT),'2008-1-1')
                    ,   @OrderLineNumber --<--

            SELECT @OrderNumber=@OrderNumber+1
                 , @OrderDate=@OrderDate+1
                 , @OrderLineNumber=@OrderLineNumber+1
        END

Answer 2

将声明更改为

SELECT 'ORD' + Right ('000000' + CAST (@OrderNumber AS varchar (30)), 6),
DATEADD (day, CAST (RAND () * 1500 as int), '2008-1-1'),@OrderLineNumber