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, Informix, …

SQL is designed for a specific purpose: to query data contained in a relational database. SQL is a set -based, declarative programming language, not an imperative programming language like C or BASIC.

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.

Jun 3, 2025 · It's a standardized programming language used to manage and manipulate relational databases —a type of database that stores data in tables, similar to a spreadsheet.

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 querying and …

Mar 20, 2025 · This course starts with simple database searches, which you have to execute by writing your own SQL queries, and then progresses toward deeper data analysis. This makes the learning …

This comprehensive guide, featuring SQL tutorials, a cheat sheet, and real-world SQL projects, offers everything you need to get started with SQL. The included FAQs address common challenges, …

Jan 12, 2023 · Structured Query Language (SQL) is a query language used with relational databases such as MySQL, Oracle, MSSQL, PostgreSQL, and many others. It is a query language that you can …

An SQL developer must decide what type of data that will be stored inside each column when creating a table. The data type is a guideline for SQL to understand what type of data is expected inside of …

Learn SQL step-by-step using practical examples. These SQL tutorials covers all the aspect of query language to manipulate and retrieve the data from the relational databases.