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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
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Why is need for the multiple access paths?
Define the Boyce-Codd Normal Form with instance and also Compare BCNF and 3NF. Ans: BCNF: For each functional dependency X->Y in a set F of functional dependencies over relati
Using the concepts defined previous, we have identified that strong entities in COLLEGE database are FACULTY, STUDENT, COURSE and DEPARTMENT. This database also has one weak entity
#question.explain diversity and magnitude of organic compounds and general properties?
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
What is the disadvantage of a call by reference? During a call by reference damage or loss of data is not restricted to the subroutine, but will instantly lead to alters to th
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
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