DATABASE MANAGEMENT SYSTEM 1.1 Introduction to Data, Database, Database System, and DBMS Data refers to raw facts and figures without context, which can be processed to generate meaningful information. Database is a structured collection of data that is stored and accessed electronically. It allows for efficient data management and retrieval. Database System combines the database and the Database Management System (DBMS), which is software used to manage and manipulate the database. DBMS (Database Management System) is a software tool that facilitates the creation, retrieval, updating, and management of data in a database. It ensures data integrity, security, and consistency while providing a user-friendly interface for interacting with the data. 1.2 Field, Record, Objects, Primary Key, Alternate Key, Candidate Key Field : A field is a single piece of data; it represents a column in a database table. For example, "First Name" in a student database. Record : A rec...
The Ultimate Computer Engineering Handbook: Mastering DBMS, Data Structures, OS, ML, and NLP any many more