Information Management System

The term fourth generation language is used to describe a variety of programming languages that are more non-procedural and conversational that prior ...

Application software is a complete, self-contained program that performs a specific function directly for the user. This is in contrast to the system software ...

An Information Systems is a set of people, procedures and resources that collects, transforms, and disseminates information in an organization. Today's ...

Physical Structure of Oracle Database Contains: Datafiles:  As it suggests, datafiles contain database data. Every Oracle database has one or more ...

An entity represents a real world object about which we want to store data in database. Entities are distinguishable from other pbjects. Some entities are ...

Evolution of Data Models:  To overcome the shortcomings of file -based data processing, researchers developed different data models. There are ...

Traditional Files vs DBMS. Traditional Files Processing Approach:  Files are understood as collection of records each record consisting of many ...

The RDBMS is the modern day database technology and commonly used database software for data processing. There are many RDBMS software packages which are ...

Database Life Cycle The database too must be subject to constant evaluation, which is known as database life cycle (DBLC). Database manages data and ...

The data model is the abstraction of the real world events by which we create, capture and save the data in the database that are required by the user ...

Relational database theory was first introduced by Edgar Frank Codd in 1970. Edgar Frank Codd was a British computer scientist who, while working for IBM, ...

The relational table’s characteristics are: A table is perceived as a two-dimensional structure composed of rows and columns.Each table row (also known as ...

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