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Simple Database Management Notes

SIMPLE DATABASE MANAGEMENT NOTES

What are the 4V Characteristics of Big Data?

  • Volume
  • Variety
  • Velocity
  • Veracity

What are the Main Approaches of Database Management?

  • File-Based Approach
  • Database Approach

Advantages of File-Based Approach

(General Purpose)

  • Simplicity
  • Low Cost
  • Flexibility
  • Familiarity

Disadvantages of File-Based Approach

  • Data Duplication / Redundancy
  • Data Inconsistency
  • Scalability Limitations
  • Data Sharing and Access Control Difficulties
  • Data Integrity Issues / Inflexibility

Database Approach

Database Environment System

  1. Hardware
  2. Software
  3. People
  4. Procedure
  5. Data

What is the meaning of Opject Orented programming()OOP-

"Identitifying ,Undestanding of Realwold Problems and things

Four Main Concepts of OOP

  1. Encapsulation
  2. Abstraction
  3. Inheritance
  4. Polymorphism

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