When Running a Correlated Subquery,the DBMS ________

question 38

Multiple Choice

When running a correlated subquery,the DBMS ________.

• A)runs the lower SELECT statement by itself and then sends the results to the upper SELECT statement.
• B)runs the upper SELECT statement by itself and then sends the results to the lower SELECT statement.
• C)alternates running the lower SELECT statement with running the upper SELECT statement based on each result of the lower SELECT statement
• D)Either A or B may be used depending on the query.
• E)None of the above describes how a correlated subquery is run by the DBMS.

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Definitions:

Negligence

A failure to exercise appropriate and/or ethical ruled care expected to be exercised amongst specified circumstances, leading to harm or damage.

Reasonable Person

A legal standard used to determine how an average person would responsibly act under similar circumstances.

Society Expect

The anticipations or beliefs regarding behavior, norms, or achievements considered standard or desirable by a community or group.

Duty Of Care

Duty of care is a legal obligation to act with a certain level of attention, caution, and prudence to avoid harm to others or their properties.