By the end of this Subject, we will be able to learn:
What is Database? Database is storage of Digital data,It is repository that stores information about different things and also contains relationships among those different things Read More »
The Definition of the data ware house focuses on the data storage,however , the means to retrieve and analyse the data,to extract ,transform and load Read More »
Database system is basically computerized Record Keeping system whose overall purpose is to store information and to allow users to retain update that information on Read More »
Data Abstraction A major of purpose of a database system is to provide users with an abstract view of the data. that is the system Read More »
The DBMS architecture has evolved from centralized system to the modern distributed database.The modern DBMS is based on client server architecture.the majority of the user’s Read More »
Data model is a mechanism that provides data abstraction for database application. data modelling is used for representing entities of interest and their relationship in Read More »
Entity Relational Model (E-R Model) The E-R model can be used to describe the data involved in a real world enterprise in terms of Read More »
A database is a collection of 1 or more ‘relations’, where each relation is a table with rows and columns. This is the primary data Read More »
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