USE tempdb GO DECLARE @tb_table TABLE( RowID INT IDENTITY(1,1) NOT NULL PRIMARY KEY ,ProductName NVARCHAR(50) NOT NULL UNIQUE ,Length DECIMAL(4,2) NOT NULL CHECK(Length>0.0) ,Windth DECIMAL(4,2) NOT NULL CHECK(Windth>0.0) ,Height DECIMAL(4,2) NOT NULL CHECK(Height>0.0) ,Dimension AS 更多相关内容:
无相关信息