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Explain the term - Adjustment of inheritance
The inheritance can be enlarged as object design progresses by changing class structure. The designer should do:
i) Adjust or rearrange classes and operations
ii) Abstract common behavior out of groups of the classes
iii) Use delegation to share the behaviour when inheritance is semantically wrong.
Describe Physical Data independence ? Physical Data Independence - It is capacity to modify the internal schema without having to change conceptual schema. Therefore, the exter
Analyzing Association Traversal Till now, we have supposed that associations are bi-directional. But in the case of traversal, it is in only one direction in any application,
Normal 0 false false false EN-US X-NONE X-NONE
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
Explain the Strategy of Database Planning ?
Define According to the levels of abstraction, the schema at the intermediate level is called Ans: As per to the levels of abstraction, the schema at the intermediate level is
What are the features of embedded SQL? Explain. Embedded SQL - SQL could be implemented within two ways. It can be used interactively or embedded in a host language or throu
please describe the data base management with the easy example &give the application?
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