
SQL Tutorial - W3Schools
SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, …
% (Modulus) (Transact-SQL) - SQL Server | Microsoft Learn
Nov 18, 2025 · Save $200 with code FABLEARN. The % (modulus) operator returns the remainder of one number divided by another.
SQL - Wikipedia
Introduced in the 1970s, SQL offered two main advantages over older read–write APIs such as ISAM or VSAM. Firstly, it introduced the concept of accessing many records with one single …
SQL Tutorial: Learn SQL from Scratch for Beginners
Whether you’re a software developer, database administrator, data analyst, or data scientist, this SQL tutorial will help you unlock the power of SQL for managing and analyzing data.
SQL Cheat Sheet ( Basic to Advanced) - GeeksforGeeks
Jul 23, 2025 · In this guide, we will see a comprehensive cheat sheet for essential SQL operations, offering a practical reference for tasks ranging from database creation to advanced …
SQLBolt - Learn SQL - Introduction to SQL
SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users to query, manipulate, and transform data from a relational database. And due …
SQL online courses | LearnSQL.com
Polish your SQL skills by solving various real-life analytical problems. Pass a final exam and obtain a recognized Certificate of Competency in SQL. Try our effective learning-by-doing …
Learn SQL - Free Interactive SQL Tutorial
SQL (pronouned either as S-Q-L or Sequel) is a powerful language for querying and analyzing any amount of data in the world. It is the most important tool for developers, analysts and data …
SQL Tutorial
Our SQL tutorial helps you learn SQL (Structured Query Language) in simple and easy steps so that you can start your database programming quickly. It covers most of the important …
SQL Tutorial - GeeksforGeeks
Nov 5, 2025 · Learn the foundational concepts of SQL, essential for anyone working with relational databases. This section covers the syntax, commands, and key elements to start …