DBMS

UNION OPERATION DOES _______________?
SQL IS A __________________?
SPECIAL RELATIONAL OPERATION IS_______________?
PROJECTION WORKS ON________________?
ATTRIBUTE IS A __________________?
SELECTION WORKS ON________________?
ENTITY IS__________?
INTERSECTION OPERATION DOES _____________?
QUERY IS NOT A _______________?
PL/SQL IS A __________________?
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DBMS
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