【单选题】听力原文:Do you have an additional copy of the timetable? (A) Just add two tables this time. (B) You are a bit late. Jack already took them. (C) Yes, I had a hard time assembling the table. (2)
【单选题】You create a Web Form that displays a GridView. The GridViews data source is a DataSet named dsOrders. The DataSet contains two DataTables named Orders and OrderDetails. You create a relation between ...
A.
Ensure that the child column and the parent column have the same names.
B.
Ensure that the child table and the parent table have the same names.
C.
Ensure that the child column and the parent column have the same data types.
D.
Ensure that each row in the child table has a corresponding row in the parent table.
E.
Ensure that the tables have an explicit relationship defined by a foreign key constraint in the database.