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Data Independence
This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of schema of the database, the schema instantly above it would need minimal or no need of change.
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
While sorting field groups we cannot use more than one key field False.
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
What are deadlocks? How can they be avoided? Ans: Deadlock considers to a particular condition when two or more processes are every waiting for another to release a resource,
Transactions And Concurrency Management Introduction One of the main benefits of storing data in an integrated repository or a database is to permit sharing of it betwee
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
What is horizontal fragmentation? Horizontal fragmentation divides the relation by assuming every tuple of r to one or more fragments
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.
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