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SDL means _____________

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SDL means _____________

(a) Storage Discrete Language

(b) Storage Definition Language

(c) Storage Definition Localisation

(d) Storage Discrete Localisation

This question was addressed to me in an internship interview.

I would like to ask this question from Storage Structure in section Transactions of Database Management

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Right answer is (b) Storage Definition Language

To explain: It specifies internal schema and also mapping between two schemas.

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