What is concurrency transparency
Write down a short note on the term concurrency transparency?
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Concurrency transparency is where each and every transaction in a distributed database is treated as when it is the only one in the system. Thus when several transactions are running at one time, the outcomes will be the same as when each and every transaction was run in sequential order. The transaction manager assists to provide concurrency control. The three methods that might be used are versioning, locking, and timestamping.
Illustrate the use and application of the DB Miner.
Briefly describe the term a Cube and Linked Cube with reference to data warehouse?
Explain what is meant by the term catalog and its types in the cagonos?
What do you mean by the term Open Server in the Sybase?
Describe briefly Aggregate transformation?
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Give a brief introduction of the term critical column?
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Explain about the DBMS.
Explain the drill mode?
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