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There is an SQL interface for relational databases via the _______ package.

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There is an SQL interface for relational databases via the _______ package.

(a) DIB

(b) DB2

(c) DBI

(d) DIB21

I had been asked this question in semester exam.

Question is taken from dplyr in division R – Data Storage, Formats, Objects and Operations of R Programming

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The correct choice is (c) DBI

The best I can explain: dplyr can work with other data frame “backends” such as SQL databases.

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