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Cardinality shows the number of instances of an entity associated with another entity participating in a relationship. Depend on the cardinality binary relationship can be further dividing into the following categories:
Example: Relationship between university/college and principal
One college only have at the most one principal and one principal can be assigned to only one college.
Likewise we can define the relationship among Vice Chancellor and university.
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
describe objectivde of file organisation
growing phase and shrinking phase are disjoint, why ?
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
. 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
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
Explain the Fundamental concepts of object-orientation Software developers, data base administrators (DBAs) need to be familiar with fundamental concepts of object-orientation.
We need help in Booking System for Golf Business Development of a web based booking system which permits clients to book golf lessons with the following features- a) 4 user p
Define what Immediate database modification technique uses? Ans: Both undo and redo.
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