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Which method of access uses key transformation?
A Hash method of access uses key transformation.
Describe integrity constraints? Integrity Constraints - A database is just as excellent as the information stored in it, and a DBMS must therefore help avoid the entry of inc
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
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
how does Btree differ from a B+ - tree?
What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece
how the string works as keyword?
Describe the GRANT function and explain, how it associates to security. What kind of privileges may be granted? How are they revoked? Ans: Since more than one user can aacce
(a) What is a Sub-Query? (b) What is the difference between a scalar sub-query and a tabular sub-query? (c) Write an equivalent SQL statement to get the Name of Product wh
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