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When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
The domain that you will model in this assignment is that of courses and students at a university. So as not to make the task too large and unspecified, you will here get a descrip
external view of DBMS in healthcare department?
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them. b. Outline an algorithm that detects whether there is a deadlock.
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
Describe the shadow paging technique.
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