w******n
发帖数: 15 | 1 3 Which data type is not valid in SQL Server v7?
A text
B nvarchar
C nfloat
D binary
5 In an order-entry database, you want to ensure that orders
are not created for nonexistent customers. Also, when you
delete a customer row, you want to automatically delete all
related orders for that customer.
What is the simplest way to accomplish this?
A Write an event procedure in the Orders form that verifies
the Customer ID, and write an event procedure for the
Customers form that removes all related O |
|
