What is a view?

technology programming languages

  1. A view is a database diagram.

  2. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are.

  3. A view is a special stored procedure executed when certain event occurs.

  4. None of the above

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Correct Option: B
Explanation:

To answer this question, the user needs to understand the concept of views in databases.

Option A is incorrect. A view is not a database diagram. A database diagram is a graphical representation of the database schema.

Option B is correct. A view is a virtual table that is generated from the result of a pre-compiled query. It is not part of the physical database schema, but it can be used in the same way as a regular table. Views are often used to simplify complex queries or to provide an additional level of security by limiting access to certain data.

Option C is incorrect. A view is not a stored procedure. A stored procedure is a set of SQL statements that are stored in the database and can be executed later.

Therefore, the correct answer is:

The Answer is: B

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