Question: 2. Data Integrity in the DJ Database Examine the sample data for these tables in the DJs on Demand database. Check for entity, referential and

2. Data Integrity in the DJ Database Examine the sample data for these tables in the DJs on Demand database. Check for entity, referential and column integrity. Identify any data-integrity violations. Assume that all date columns should have a date format and all amount (cost) columns should have a number format.

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