Question: answer the question by the keyboard b) The DBA's responsibilities are constantly changing. Briefly identify & describe two emerging characteristics or new technologies of DBs

answer the question by the keyboard

b) The DBA's responsibilities are constantly changing. Briefly identify & describe two emerging characteristics or new technologies of DBs that may change the responsibilities of the DBA. [4] c) Discuss (with example) when the Selectivity of a Query may decide the suitability of a compatible index in executing the Query [6]

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