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Explain data abstraction?
Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is constructed from more primitive data objects.
After going by the database architecture, let us now dwell on an important query: how is the data organised in a database? There are a lot of basic structures that exist in a datab
a project based on normalization with first, second and third normalization. There need to be a diagram also
what is the relationship between receipt and owner entities in computer sales and service company
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Attributes and its types explain?
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
What is the difference between SQL Server 2000 complete and differential backups? A complete backup makes a copy of the whole database. A differential backup creates a copy of
The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep
what is meant semantic query optimization? how does it differ from other query optimization techniques?
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
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