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Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
1. Staff (staffID --> availabilityID) 2. Services (servicesID --> itemBasedID --> timedBasedID) 3. TimedBased (timedbasedID--> priceid) 4. Clients (clientId, serviceId-->
What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
What is an ERD?
under what condition log based recovery is feasible?
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
explain in detail about crash recovery
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
.#question. Discuss the problem which may arise during concurrency control and recovery in distributed database which are not encountered in controlized database environment.
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