Which of the following is an example of a database connection that needs to be created once at the beginning o

seenagapeMay 27, 2016

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?

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A.
Model-view-controller

B.
Factory pattern

C.
ActiveRecord

D.
Singleton

Explanation:

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Which of the following is an example of a database connection that needs to be created once at the beginning o

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