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Showing results for tags 'data integrity'.
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In a current project I have a large database that basically holds people and their personal information e.g. each contact can have multiple phone numbers, email addresses, residential addresses etc... As a result data security and integrity are very important. I started of sketching out the database schema and it seems fairly straight-forward. I'd create a people table which contains the individual people and then a series of other tables to hold their personal information each in a one-to-many relationship. E.g. Each person can have multiple phone numbers. All seemed fine until I
