About this document
Understanding Database Tables and SQL by Abhyudoy Roy is a document available to read on EtoBox.
The document defines key concepts in relational database management systems (RDBMS) including tables, fields, records, columns, NULL values, constraints, normalization forms (1NF, 2NF, 3NF), and SQL. Tables are collections of related data entries consisting of columns and rows. Fields make up columns which contain specific types of information for records (rows of data). Constraints and normalization help ensure data integrity and minimize redundancy. SQL is a declarative language used to define and manipul
- Author
- Abhyudoy Roy
- Language
- EN