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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
what is database management system? & why it is required?
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
Objectives differentiate DDBMS and conventional DBMS; Describe Network topology for DDBMS; Describe the concepts of horizontal and vertical fragmentation; Descr
Different stages of DDLC ?
tell me the functionality,advantages and disadvantages of student database
I have 10+ yrs exp in oracle Sql ,Pl/SQl,Forms ,Reports. I am expert in assignements & Online tutoring so i want to join you. Please guide me. Thanks Brajesh Shukla +91 9899641535
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
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