Answer the following statements true (T) or false (F)

1. Once a field has been specified as a primary key, Visual Basic will not allow that field to
contain an empty entry for any record.
2. LINQ can be used in Visual Basic to sort records.
3. A LINQ clause beginning with Join and ending with a phrase of the form
On foreign key of tblA Equals primary key of tblB
causes two tables to be joined.
4. The Move next button of a navigator toolbar is never disabled.
5. When a navigation toolbar is used with a table from a database, the value of
BindingSource1.Position is the index of the current record.


1. T
2. T
3. T
4. F
5. T

Computer Science & Information Technology

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