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What are the storage types?
The storage types are:
a) Volatile storage
b) Nonvolatile storage
What is a Data Flow Diagram? Data Flow Diagram: A data flow diagram is the graph that shows flow of data values from their sources in objects in the course of processes whic
Explain the disadvantages of using DBMS There could be a few disadvantages of using DBMS. As DBMS requires computers, we have to invest a good amount in acquiring the hardwa
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Physical Database Design Issues The database design includes the process of logical design with the use of E-R diagram, normalisation, etc., followed by the physical design.
The Update Operations : Update operations are used for altering database values. The constraint violations faced by this operation are logically the similar as the problem faced
explain various steps uses in evaluation and maintenance of MIS.
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
explain ANSI SPARC architecture
What is a super key? A super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity set.
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