If you are using Access 2016, do the following. Add a field to the Client table named AvailableCredit. Set the field to currency. Create a data macro associated with the After Update event for the Client table. When a user updates the Balance field, the macro should subtract the new balance from the credit limit and place that value in the AvailableCredit field. Create a data macro associated with the After Delete event for the OrderLine table. When a user deletes a record because it is complete or cancelled, the macro should look up the order number in the WorkOrders table and delete it there as well. Use the For Each Record in the WorkOrders table. Hint: You can use the OLD keyword in the Where Condition: [Old].[OrderNum] = [WorkOrders].[OrderNum]. Test the data macro by deleting a record from the OrderLine table and ensuring that the record also is deleted from the WorkOrders table.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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  1. If you are using Access 2016, do the following.
    1. Add a field to the Client table named AvailableCredit. Set the field to currency.
    2. Create a data macro associated with the After Update event for the Client table. When a user updates the Balance field, the macro should subtract the new balance from the credit limit and place that value in the AvailableCredit field.
    3. Create a data macro associated with the After Delete event for the OrderLine table. When a user deletes a record because it is complete or cancelled, the macro should look up the order number in the WorkOrders table and delete it there as well. Use the For Each Record in the WorkOrders table. Hint: You can use the OLD keyword in the Where Condition: [Old].[OrderNum] = [WorkOrders].[OrderNum]. Test the data macro by deleting a record from the OrderLine table and ensuring that the record also is deleted from the WorkOrders table.
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