EBK A GUIDE TO SQL
EBK A GUIDE TO SQL
9th Edition
ISBN: 8220103671682
Author: Last
Publisher: CENGAGE L
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Chapter 4, Problem 12CATC
To determine

(a)

To modify the table Customer to include a column PreviousTrip and create and run totals query on reservation table to get number of reservations by customer and update the location table with these values manually.

To determine

(b)

To create and check data macro for the after-insert event for reservation table to increment the PreviousTrip field for the appropriate customer when inserting a row in the reservation table.

To determine

(c)

To create and check data macro for the after-delete event for reservation table to decrement the PreviousTrip field value for the appropriate customer when deleting a row from the reservation table.

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