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The following are the three language components of a database management system (DBMS).

The following are the three language components of a database management system (DBMS).
I.     Data Definition Language (DDL).
II.     Sub-schema DDL.
III.    Data Manipulation Language.
Two different types of people (users and practioners) are concerned with them. Which of them do users of a DBMS usually deal with?

(a)Only (I) above
(b)Only (III) above
(c)Both (I) and (II) above
(d)Both (II) and (III) above
(e)All (I), (II) and (III) above.

Dec 29 2017 View more View Less

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