Chapter 4
Control Procedures

Using DQL to Manage Your Application

Types of DQL Commands

Procedure 1: INPUT RESERVATIONS

Script for the INPUT RESERVATIONS Procedure

Explanation of the Script

Saving the Procedure

Procedure 2: CALCULATE DISCOUNTS

Script for the CALCULATE DISCOUNTS Procedure

Explanation of the Script

Procedure 3: RESERVATION INVOICES

Script for the RESERVATION INVOICES Procedure

Explanation of the Script

Procedure 4: PROCESS RESERVATIONS

Script for the PROCESS RESERVATIONS Control Procedure

Explanation of the Control Procedure

Summary