SQL, one of the earlier programming language, was subsequently developed by Donald D. Codd of IBM proposed the Relational Database Model in 1970. SQL defines a set of commands, such as SELECT, INSERT, UPDATE, DELETE, CREATE TABLE, DROP TABLE, and etc.Įdgar F.
Popular Relationship Database Management System (RDBMS) includes:
Tables are related based on common columns to eliminate data redundancy and ensure data integrity. A table has rows (or records) and columns (or fields). This article is applicable to MySQL 8.0, which is the successor of MySQL 5.7, where 5 was dropped?! Introduction to Relational Database and SQL Relational DatabasesĪ relational database organizes data in tables.
