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SQL: Breaking down Basic sql components
Introduction
Structured Query Language (SQL
) is the backbone of modern database management systems, empowering users to efficiently store, retrieve, and manipulate data. Whether you’re managing a small business database or analyzing enterprise-scale data, SQL offers powerful tools to interact with relational databases seamlessly.
Did you know that over 90% of companies worldwide use SQL to handle their data? It’s not just a skill; it’s a career essential.
In this article, I’ll dive into the core components of SQL, breaking down its commands into manageable sections like DDL, DML, DQL, DCL, and TCL. By understanding these components, you’ll gain a comprehensive grasp of how to define database structures, manipulate data, retrieve valuable insights, and ensure secure, efficient database operations.
SQL Commands:
1. DDL (Data Definition Language) — Structure Management:
DDL
is a subset of SQL
used to define, modify, and manage the structure of database objects like tables, indexes, schemas, and relationships. It includes commands for creating, altering, and deleting the schema or structure of database…