An Excel function that adds a group of values, and then divides the result by the number of values in the group.

JDBC supports _______, so you do not need to manually load the database driver before accessing a database.

a. automatic driver downloading b. automatic driver creation c. automatic driver discovery d. None of the above.

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.