You Can Precede a Subquery with the ____ Operator to Create

question 18

Multiple Choice

You can precede a subquery with the ____ operator to create a condition that is true if one or more rows are obtained when the subquery is executed.​

• A)IS NULL
• B)​IS TRUE
• C)IS EXIST
• D)​EXISTS

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Definitions:

Applied Voltage

The voltage that is applied across a component or circuit, initiating its operation or influencing its performance.

Delay Relays

Delay relays are electromechanical or solid-state devices designed to delay the activation of an electrical circuit for a specified period, used in various timing and control applications.

Operating States

The various conditions or modes in which a device or system can exist, such as on, off, standby, or fault.

Control Coil

An electromagnetic coil used in electrical engineering to control the operation of devices, typically in relays or contactors.