Changes between Version 4 and Version 5 of Additional Integrity Constraints


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Timestamp:
05/19/26 00:10:26 (8 days ago)
Author:
193284
Comment:

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  • Additional Integrity Constraints

    v4 v5  
    3030== Constraint Overview ==
    3131
    32 * CHECK constraints are used to restrict invalid status values.
    33 * UNIQUE constraints prevent duplicate RSVP and attendance records for the same guest and event combination.
     32* CHECK constraints restrict invalid RSVP and attendance status values.
     33* UNIQUE constraints prevent duplicate RSVP submissions for the same guest and event.
     34* UNIQUE constraints also prevent duplicate attendance records for the same guest and event.
    3435* Integrity rules are enforced directly at database level independently from the application layer.
     36
     37== Summary ==
     38
     39The additional integrity constraints improve consistency, reliability, and validation safety inside the Wedding Planner Management System database schema.