To Support Data Independence, You Should _____ in an SQL

question 11

Multiple Choice

To support data independence, you should _____ in an SQL SELECT command.

• A)use the * (asterisk) wildcard to represent all fields
• B)avoid using more than five fields
• C)explicitly list all the required fields
• D)only list fields from a single table

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Definitions:

Common Difference

The gap between consecutive numbers in an arithmetic progression.

Partial Sum

The sum of a specified sequence of terms up to a certain number in the sequence.

Negative Exponent

Indicates that the base of the exponent should be reciprocated and the exponent made positive.

Arithmetic Sequence

A series where each number following the initial one is derived by adding a fixed value to the term before it.