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What are the storage types?
The storage types are:
a) Volatile storage
b) Nonvolatile storage
Consider the following relations: S (S#, SNAME, STATUS, CITY) SP (S#, P#, QTY) P (P#, PNAME, COLOR, WEIGHT, CITY) Give an expression within SQL for each of queries b
How does Tuple-oriented relational calculus vary from domain-oriented relational calculus? The tuple-oriented calculus uses a tuple variables i.e., variable whose only allowed
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
List the requirements needed to design a trigger. The requirements are:- Specifying when a trigger is to be implemented. State the actions to be taken when the trigger im
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
Partial Key : It is a group of attributes that can uniquely identify small entities and that are related to same base entity. It is sometime named as Discriminator. Altern
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
difference between MIS and DSS
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