Which of the Following Is a Clue That a Database

question 14

Multiple Choice

Which of the following is a clue that a database needs to be redesigned?

• A) Key fields are defined for each table.
• B) One-to-many relationships are defined for each table.
• C) There are multiple tables in the database.
• D) There is redundant data in one or more tables.

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Definitions:

Instantaneous Contact

In electrical engineering, a type of contact within a switch or relay that closes or opens immediately without any delay when activated.

Timer Accumulated Value

The current count value of a timer that has accumulated over time since it was last reset or started.

Timer Accuracy

The precision with which a timer can measure or maintain the time interval it is set for, often crucial in control and automation applications.

Timer Parameters

The settings or values that determine the operation of a timer, including its start, duration, and end conditions, critical in timed control operations.