Introduction to SQL Basics: A Comprehensive Guide

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11 min readJul 18, 2024

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Structured Query Language (SQL) is the standard language used to communicate with relational databases.

It is used to perform various operations such as querying data, updating records, and managing databases.

SQL is both powerful and versatile, making it an essential tool for database administrators, developers, and data analysts.

This article covers the fundamental concepts and operations in SQL to provide a solid foundation for beginners.

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Understanding Databases and Tables

Relational Databases

A relational database is a type of database that stores data in tables, which are organized into rows and columns. Each table represents a specific entity, such as customers, orders, or products.

Tables

A table is a collection of related data entries and consists of columns and rows. Each column represents a…

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