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Learn SQL

Data analytics is an increasingly important part of every element of business. As more and more data is collected, learning SQL enables us to work efficiently with databases and big data.

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Introduction to SQL

1 Hour Beginner-Friendly 10 Lessons

Get hands-on practice using Structured Query Language (SQL) to access and manipulate data within databases.

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What You'll Learn

What is SQL?

Learn what SQL is and how it’s used to work with data.

Selecting Data

Explore the foundational SELECT statement and practice using it.

Filtering Data

Discover how to filter data to view more specific information.

Aggregating Data

Learn to compute aggregated information on your data.

Explore Detailed SQL Reference Docs

Discover the features and capabilities of SQL, the essential language for interacting with databases and data. This reference documentation is an invaluable tool to support you while you learn and build.

Leading Digital Businesses Need SQL Skills

What is SQL?

SQL is a standard language that is used to manipulate, access, update, search, and communicate with relational databases. SQL is considered the most important programming language for Data Scientists, Data Analysts, and other data professionals, who use SQL to extract and organize data stored in relational databases.

According to the American National Standards Institute (ANSI), SQL is the standard language for relational database management systems, including Microsoft SQL Server, Access, Oracle, Sybase, and more. Even if you are performing a data analysis using another language like R or Python, SQL is still necessary to access data from the database.

Though SQL is used by most database systems, many do add proprietary extensions that are unique to their systems. As a result, SQL code typically does require some changes before it can be ported to different database systems.

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