Enforcing Referential Integrity Assures That ________

question 35

Multiple Choice

Enforcing referential integrity assures that ________.

• A)you cannot enter a value in the foreign key if there is no corresponding value in the primary key
• B)you cannot enter the same value in the foreign key of the same table
• C)you cannot leave that field empty
• D)you cannot enter invalid or incorrect information

Apply Little's Law in appropriate contexts.

Understand the distinction between single-phase and multi-phase queuing systems.

Explain the relevance of queue discipline and its most common rules.

Identify characteristics of a queuing system given a real-world scenario.

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Definitions:

Own Sake

Pertains to actions or activities pursued for their intrinsic value or personal fulfillment, without any external reward.

Productive Resource

An economic term for the inputs used in the production of goods or services in the attempt to make an economic profit.

Inelastic

Describing a situation where the demand or supply for a good or service is not highly sensitive to changes in price.