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Dbms - interview questions and answers level 1 1 2 what is dbms it is a collection of programs that enables user to create and maintain a database. Used to support dbms_spacespace_usage: dbms_space_adminnglob_segment_verify marks the segment corrupt: dbms_space_adminassm_tablespace_verify. 1)which type of entity cannot exist in the database unless another type of entity also exists in thedatabase, but does not require that the ident.
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