- Q What is inharmonious ecological interaction?
- Q Your application will allow users to delete records from a table named Widgets. The table contains a primary key named ComponentsID. Each row in Widgets has a related set of rows in a table named ComponentsTable. The ComponentsTable table also contains a column named ComponentsID. Whenever a row is deleted from Widgets, you want the corresponding row in ComponentsTable to be deleted automatically. You have written the following code. (Line numbers are for reference purposes only.) 01 Dim columnOne As DataColumn; 02 Dim columnTwo As DataColumn; 03 Dim myRelation As DataRelation; 04 columnOne = MyDataSet.Tables("Widgets").Columns("ComponentsID"); 05 columnTwo = MyDataSet.Tables("WidgetDetails").Columns("ComponentsID"); 06 07 MyDataSet.Relations.Add(myRelation) Which line of code should be placed in line 06? (Select the best choice.) A. myRelation = New DataRelation(MyDataSet.Tables("Widgets"), columnOne, columnTwo); B.myRelation = New DataRelation("WidgetsWithComponents", columnOne, columnTwo); C. myRelation = New ForeignKeyConstraint(MyDataSet.Tables("Widgets"), columnOne, columnTwo); D. myRelation = New ForeignKeyConstraint("WidgetsWithComponents", columnOne, columnTwo);
- Q _____old is the dog?
- Q Tell me about something you've read recently.
- Q What clinical experience have you had in a school setting?
- Q After what technicality an international agreement will be binding on a state?
- Q What is material requirement planning mrp list?
- Q What is a structure in C#
- Q What is difference between method overriding and method overloading?
- Q What is the procedure to configure JMS security
- Q Nitrogen fixing bacteria is useful in growing which crop?