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What are the storage types?
The storage types are:
a) Volatile storage
b) Nonvolatile storage
You are required to design and build a data mart/data warehouse using Oracle. A national bank allocates funding every year for its local branches to provide temporary staff cove
why data in an RDMS need to be normalised
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
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
Differentiate between Primary and secondary storage? Primary and secondary storage - Primary storage device stores the data temporarily. Primary storage is commonly used thro
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Modify a sequence: ALTER SEQUENCE SEQSS INCREMENT 2 MAXVALUE 3000; Removing a sequence: DROP SEQUENCE SEQSS;
These are designed to reduce the effects of a database failure and make sure a database is restored to a consistent state if a failure does arise. Manual backup/restore utilities n
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
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