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Explain the structure of well formed formulae in relational calculus. Ans: a. An atom is a formula b. If P1 is a formula, after that so are ¬P1 and (P1) c. If P1 and P2 a
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
a project based on normalization with first, second and third normalization. There need to be a diagram also
Give an example of enforcement in Typing. You can understand the idea of enforcement as it makes sure objects of dissimilar classes may not be interchanged as below: Exampl
Explain the term- Periodic recomputation Periodic recomputation: Base values are often updated in bunches. Sometimes, it is possible to just recompute all derived attributes p
Project Description: I am updating my Javascript + HTML website with five domains for the same website I would like to know if I want to create site map and submit it in all the
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
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