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What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Economics: It is now usually accepted that it costs less to make a system of smaller computers with the equivalent power of a one large computer. It is more cost-effective to get s
Performance of Various Concurrency Control Mechanisms
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Complexity : A distributed DBMS that is available, reliable, and secure is inherently more difficult than a centralised DBMS. Though, adequate data replication is essential to have
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
average response time?
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan Gurukul Company that provide better security also design a data abstraction
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