Questions from Database Management


Q: Explain the use of derived tables.

Explain the use of derived tables.

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Q: Describe an example in which you would want to use a derived

Describe an example in which you would want to use a derived table.

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Q: Why is it not possible to update a base table via update

Why is it not possible to update a base table via update commands against a view?

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Q: What can Persistent Stored Modules be used for?

What can Persistent Stored Modules be used for?

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Q: Explain three procedures to enforce data integrity.

Explain three procedures to enforce data integrity.

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Q: Discuss the differences between triggers and stored procedures.

Discuss the differences between triggers and stored procedures.

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Q: Provide three reasons for embedding SQL in a 3GL.

Provide three reasons for embedding SQL in a 3GL.

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Q: Match the following terms to the appropriate definition: - equi

Match the following terms to the appropriate definition: - equi-join - derived table - natural join - correlated subquery - outer join - trigger a. returns all records of designated table b. keeps red...

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Q: Consider a major database in this organization, such as one supporting

Consider a major database in this organization, such as one supporting customer interactions, accounting, or manufacturing. What is the architecture for this database? Is the organization using some f...

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Q: What are the potential security implications of using embedded or dynamic SQL

What are the potential security implications of using embedded or dynamic SQL?

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