Describe the following oql concepts database entry points, Basic Computer Science

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Describe the following oql concepts database entry points

1. Discuss how persistence is specified in the ODMG Object Model in the c++ binding.

2. Why are the concepts of extents and keys important in database applications?

3. Describe the following OQL concepts: database entry points, path expressions, itemtor variables, named queries (views), aggregate functions, grouping, and quantifiers.

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Basic Computer Science: Describe the following oql concepts database entry points

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