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Examples:-
Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are not used in commercial DBMS products.
Figure: An example of Network Model
Figure: An example of Hierarchical Model
Explain Recursive relationship type? Recursive relationship type: A recursive relationship is one in that the similar entity participates more than once in the relationship
Consider a database schema consisting of four relations, whose schemas are: Product (maker, model, type) PC (model, speed, ram, hd, price) Laptop (model, speed, ram, hd, s
Attributes and its types explain?
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
a project based on normalization with first, second and third normalization. There need to be a diagram also
Performance of Various Concurrency Control Mechanisms
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
how to prepare a data dictionary for online examination system for certified courses?
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
I am using Siteground. And my database is full of limit so need someone who reduces the data which no need. This is very simple and simple task. Skills required are Databa
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