When Running an SQL Query That Uses NOT EXISTS,the NOT

question 90

Multiple Choice

When running an SQL query that uses NOT EXISTS,the NOT EXISTS keyword will be true if ________.

• A)any row in the subquery meets the condition
• B)all rows in the subquery meet the condition
• C)no row in the subquery meets the condition
• D)any row in the subquery fails to meet the condition
• E)all rows in the subquery fail to meet the condition

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Definitions:

Perfectly Elastic

A situation where a small change in price leads to an infinite change in quantity demanded or supplied, depicted as a horizontal line on a graph.

Perfectly Inelastic

A situation in which the quantity demanded or supplied does not change regardless of changes in price.

Purely Competitive

A purely competitive market is characterized by many buyers and sellers, homogeneous products, and no single entity having market control, leading to price determination by supply and demand forces.

Elastic

Refers to the degree to which the demand or supply for a product or service changes in response to a change in price.