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What are metrics for choosing the best algorithm?
Matrices for choosing the best algorithms are as below:
What are the advantages of object oriented databases in comparison with others? Why it is still not widely used? Object oriented designs are coherent, efficient and less prone
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
Spanned and unspanned organisation? Spanned and unspanned organization: If records are not permited to cross block boundaries then the organisation is called unspanned record
Explain Two phase locking protocol A transaction is consider as to follow the two-phase locking protocol if all locking operations precede the first unlock operation in the tra
Database systems have many opposite efforts ?
Define According to the levels of abstraction, the schema at the intermediate level is called Ans: As per to the levels of abstraction, the schema at the intermediate level is
what is inverted and multilist structure
what is union compatable?
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