Chapter Overview
This chapter introduces the foundational concepts of databases, including the purpose and architecture of database systems, types of databases, the role of a DBMS (Database Management System), and key elements like tables, records, fields, and keys. It also covers data models, normalization, and basic SQL queries to manage and manipulate structured data.
Important Keywords
- Database: A collection of related data organized in a structured format.
- DBMS: Software that manages and interacts with databases.
- Table: Collection of rows and columns representing data.
- Primary Key: Unique identifier for a record in a table.
- Foreign Key: A key that refers to the primary key of another table.
- Normalization: Process of minimizing redundancy and improving data integrity.
- SQL: Structured Query Language used to interact with databases.
Detailed Notes
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