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Explain data abstraction?
Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is constructed from more primitive data objects.
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
need requirement analysis for database management of stock market
Hi, Do you offer private tuition for DBMS?
construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
What is the difference between SQL Server 2000 complete and differential backups? A complete backup makes a copy of the whole database. A differential backup creates a copy of
Define functional and multivalued dependencies. Ans: A functional dependency is a assets of the semantics of the attributes in a relation. The semantics point out how at
OBJECTIVES After going through this unit you should be capable to: Explain the File Based system and its limitations; Explain the structure of DBMS; Explain the
a set of possible data value of an attribute is called??
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
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