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Multiple-related tables rather than one single big table

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Reference no: EM13502029

Why do we build databases with multiple-related tables rather than one single big table?

Why is the use of metadata so important in the creation of a database?

What are the roles of primary and secondary or foreign keys within a database?


Why do we need databases as the so-called "back-ends" to our transaction processing systems? What is their function and value?

Reference no: EM13502029

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