The Types of Constraints Supported in SQL Are ____

question 2

Multiple Choice

The types of constraints supported in SQL are ____.

• A) data types, indexes, and system catalogs
• B) foreign keys, qualifiers, and naming conventions
• C) user privileges, data types, and legal values
• D) primary keys, foreign keys, and legal values

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Definitions:

Wire Resistance

The electrical resistance of a wire, determined by its material, length, and cross-sectional area, affecting the flow of electric current through it.

Fleming's Left-hand Generator Rule

A rule used to predict the direction of movement in a motor, the direction of induced current, or the force on a conductor in a magnetic field, based on the thumb, forefinger, and middle finger of the left hand.

Time Constant

The time required for a system to charge or discharge to approximately 63.2% of its maximum value, characteristic of both RC and RL circuits.

R-L

Refers to a circuit that contains both resistance (R) and inductance (L), affecting the phase and amplitude of the circuit's response to an AC input.