Analyze the current data model and database structure to ensure it supports preventing double bookings.
Identify unique constraints or indexes that can be applied to the table and time slot combinations to enforce uniqueness.
Implement validation logic to check for double bookings when a user submits a booking request.
Check the availability of tables and time slots to determine if a double booking would occur.
Provide appropriate error messages or feedback to the user if a double booking is detected.
Implement database queries or operations that enforce uniqueness constraints and prevent concurrent bookings of the same table and time slot.
Test the functionality thoroughly with various scenarios to verify that double bookings are properly prevented.
Consider implementing a reservation hold mechanism where the selected table and time slot are temporarily reserved for a short duration while the user completes the booking process.
Monitor and log any instances where double booking attempts are made for further analysis and troubleshooting.
Continuously review and improve the double booking prevention mechanism based on user feedback and system performance.
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