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How is concurrency identified?
Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation implies concurrency in system.
List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view. Ans: The two restrictions are: 1. If a view
Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Illustrate the term- Abstracting Out Common Behaviour Inheritance is not every time recognised during analysis phase of development, thus it is necessary to re-evaluate object
I need ERP system We are selling automotive spare parts on the internet and we require ERP software, which would sync with our e-shop. Our e-shop doesn't use any e-commerce plat
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
how design database from begining
projects?
what is object-identity
Design a gennalization and specialization hierarchy for an automobile sales company
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