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DAD 220 1.2 Database Systems with complete verified solutions.

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DAD 220 1.2 Database Systems with complete verified solutions.

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DAD 220: 1.2: Database
Systems with complete verified
solutions
Database system requirements - answer Performance


Authorization


Security


Rules


Recovery


Transaction - answer A group of queries that must either
completed or rejected as a whole


Steps for database systems completing transactions - answer
Ensure transactions are processed completely or not at all


Prevent conflicts between concurrent transactions


Ensure transaction results are never lost


Database Architecture - answer is composed of models, policies,
rules or standards that govern which data is collected, and how it is
stored, arranged, integrated, and put to use in data systems and in
organizations.

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