SQL (Structured Query Language) SQL is a standard programming language used to manage and manipulate databases. It is used to create, read, update, and delete data in a database. SQL commands are divided into different types such as: DDL (Data Definition Language) – CREATE, ALTER, DROP DML (Data Manipulation Language) – INSERT, UPDATE, DELETE DQL (Data Query Language) – SELECT SQL is used in databases like MySQL, Oracle, SQL Server, and PostgreSQL. RDBMS (Relational Database Management System) RDBMS is a software system used to manage relational databases. It stores data in the form of tables (rows and columns). Tables are related to each other using keys like Primary Key and Foreign Key. Examples of RDBMS are MySQL, Oracle, SQL Server, and PostgreSQL. RDBMS ensures data security, consistency, and integrity.
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