Why are the concepts of extents and keys important

Assignment Help Basic Computer Science

Reference no: EM131247443

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.

Reference no: EM131247443

Questions Cloud

Discuss in making the business case : Formulate a critical and constructive response to this manager in the form of a short report evidence-based argument to support your views and to advise what it all means - Demonstrate critical knowledge and understanding around key and contemporary..

How does the shadow value v of assets vary : How does investment I(A) vary with assets? - How does the shadow value v of assets vary with the level of assets?

Replenishment plan fit into the investment : The company replenishes all of these items every three months. Does this replenishment plan fit into the investment limit? What is the total cost with this plan? What is the best policy under this investment limit? How much oes it improve the tota..

Characteristics help the learning process : Which layout characteristics help the learning process, and which ones hinder it? How does the layout affect the manner in which the class is taught?

Why are the concepts of extents and keys important : Describe the following OQL concepts: database entry points, path expressions, itemtor variables, named queries (views), aggregate functions, grouping, and quantifiers.

Productive capacity and room for expansion : With so much productive capacity and room for expansion in the United States, why would a company based in the United States choose to purchase items from a foreign firm? Discuss the pros and cons.

What is meant by the type orthogonality : What are the main differences between designing a relational database and an object database?

What are the responsibility of a corporation : What are the responsibility of a corporation and the corporate executives running it? Based upon the law, the corporate charter and public policy, why is this so

What total quality management is : Describe and explain in detail what Total Quality Management is. What implications are there for the company and managers involved?

User Account

All Pages