资讯
What I need to do is set a constraint such that the WrenchingTool field can only contain ToolNumbers that have a corresponding ToolType of "Wrench." Meanwhile, the HammeringTool field has no such ...
Alter Table [MyTable] Drop [myConstraint] Right?Anyways, I know I figured out how to do it before, and that it was pretty simple. What I don't know how to ...
is the name for the constraint being specified. The first form of the CREATE TABLE statement creates tables that automatically map SQL data types to those supported by the SAS System. Use this form ...
SQL Server 2008 introduces the ability to pass a table data type into stored procedures and functions. The table parameter feature can greatly ease the development process because you no longer ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果