Which of the following is an example of a database connection that needs to be created once at the beginning of a script and then used throughout its code?

The correct answer is D. Singleton. See the full explanation below for the reasoning.

Question

Which of the following is an example of a database connection that needs to be created once at the beginning of a script and then used throughout its code?

Options

AActiveRecord
BModel-view-controller
CFactory pattern
DSingleton

How the community answered

(64 responses)

A
8% (5)
B
3% (2)
C
17% (11)
D
72% (46)

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