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Determine the Disadvantages of file based systems
Some of the disadvantages of file based systems are like this:
Which is another name for weak entity? Child is another name of weak entity.
Question : Mr. Smith Harry has a car manufacturing company which has recently integrated management information system. He wishes to obtain more information on ethics and socia
Describe the types of attributes? Types of attributes: An attribute's category determines the type of values that are permitted in the attribute. For instance, the value vers
Define what Immediate database modification technique uses? Ans: Both undo and redo.
what is the need of a log in dbms
a) Suppose we updated the catalog tables in real time, that is, after every update, insert, or delete SQL statement were executed-rather than only running RUNSTATS once every few
explain participation constraints with examples
wh
what is query processing ,query optimization and performance turring?
Write short notes on tuple relational calculus. The tuple relational calculation is anon procedural query language. It defines the desired information without giving a particul
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