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Mapping Exists Quiz
A database management system are very complex
How many levels of abstraction in DBMS_____________.
Which are the three levels of abstraction____________.
How many types of data independence____________.
Which are the types of data independence__________.
Which is the transformation of requests and results between different levels of abstraction___________.
Which mapping exists between the conceptual and internal levels______________.
Which mapping exists between the external and conceptual levels_________________.
The related and interconnected software components of a DBMS are described by the
Which are the types of physical DBMS architecture can be split_____________.
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