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System error:These contain errors in database system or the OS, example, deadlocks.Such errors are fairly hard to detect and need reprogramming the erroneous components of the system software.
What are the drawbacks of File Oriented System in details?
Use a Set operator to create a list of academics who have written or co-written less than 5 papers and also have greater than 3 interests. List their academic number in the output.
losers with new information systems
Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
.#question. Discuss the problem which may arise during concurrency control and recovery in distributed database which are not encountered in controlized database environment.
(a) Why did SAP introduce the extended star schema?
What is a view? How it is related to data independence? A view might be thought of as a virtual table, that is, a table that does not really exist in its own right but is inste
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
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