A _____ Controls Database Operations,including Storing,retrieving,updating,and Deleting Data

question 13

Multiple Choice

A _____ controls database operations,including storing,retrieving,updating,and deleting data.

• A) data manipulation language
• B) data device language
• C) data definition language
• D) data query language

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Definitions:

Revolving Armature Type

A design in electrical generators where the armature, or the part that generates electricity, rotates within a stationary magnetic field.

Sliprings

Circular bands of metal placed on the rotating part of a machine. Carbon brushes riding in contact with the sliprings provide connection to the external circuit.

Commutators

A mechanical switch used in some electric motors and electrical generators to reverse the direction of current flow in the coils.

Hydrogen Atmosphere

An environment or a setting that predominantly contains hydrogen gas (H2).