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In contemporary databases, the top level of the hierarchy consists of ______ each of which can contain _____ (a) Catalogs, schemas (b) Schemas, catalogs (c) Environment, schemas (d) Schemas, Environment This question was addressed to me in a job interview. Enquiry is from SQL Data Types and Schemas topic in division SQL : Queries, Constraints and Triggers of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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Correct choice is (a) Catalogs, schemas Easy explanation - None.

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