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(a) Design a query plan for the following distributed query: An application at site B wants to compute a join of STUDENT ? Id=StudId TRANSCRIPT where STUDENT (Id,Major) is at site
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
What are the requirements to ensure the objectives of file management principle is realized?
Define Radix conversion method One clever way to transform binary numbers to BCD notation (binary-coded decimal) is the "double dabble algorithm". It can be adapted to transfo
How external/conceptual mapping and conceptual /internal mapping is performed
What is serializability? Explain its types? The data base system must control concurrent implementation of transactions, to ensure that the data base state remains consistent.
write a database program for concurrency transaction in a bank
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
brief history,definition,current trends and future trends if any of data fragmentation
What are the three data anomalies that are likely to occur as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not? A
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