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What is E-R model?
This data model is based on real world that having of basic objects called entities and of relationship between these objects. Entities are explained in a database by a set of attributes.
Explain the Object-oriented decomposition Object-oriented decomposition targets at identifying individual sovereign objects that encapsulate both a state and certain behavio
growing phase and shrinking phase are disjoint, why ?
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
what is union compatable?
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
Index And Tree Structure Let us talk about the data structure that is used for creating indexes. Can we use Binary Search Tree (BST) as Indexes? Let us initial reconsider
Although, the essential features of E-R diagrams are enough to design many database situations. Though, with more difficult relations and advanced database applications, it is need
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
What are the benefits of OOA technology? Using OOA technology can produce many benefits, such as: i) Reusability of code ii) Productivity is gained through direct mappi
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