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Process of Adjustment of inheritance During object design, inheritance is readjusted by rearranging classes and operations, and abstracting common behaviour.
why shadow copy technique is used?
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.
#what is cursor its uses ? Explain it
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
The scenario You have been approached to design and implement a prototype of a distributed information system for a national car part retail outlet chain. The company comprises
Explain the Recoverable Schedule A recoverable schedule is one in which for each pair of transactions Ti and Tj such that Tj reads a data item formerly written by Ti, the comm
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