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Which database object does not physically exist?
A view database object does not physically exist.
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. Mult
Define Database layer? The database layer defines the data formats used in the database.
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
Discuss the term- Design Optimization We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementati
Why is need for the multiple access paths?
A field-groups statement or an insert statement reverses storage space and transfers values. False.
Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
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
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
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