Lecture Overview
Overview and definition of data, database and database management systems. How data is stored in the database and how database structure is different than excel spreadsheet.
Quick Reference:
- Data is information processed or stored in a computer. object attributes such as name, weight, height, color, description, etc. are data related to that object.
- Database is a collection of data, or information that is organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage, retrieval, modification, and deletion of data in conjunction with various data-processing operations.
- Database Management System (DBMS) is a software package that allows data to be effectively stored, retrieved and manipulated. DBMS enables users and applications to access database and manipulate the stored data. The data stored in DBMS can be accessed by multiple users and by multiple applications or programs.