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Unit: Intro to SQL: Querying and managing data

SQL basics

We'll show you the basics of creating tables and selecting data in various different ways.

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More advanced SQL queries

Learn how to perform more advanced SQL queries using AND/OR, IN, LIKE, HAVING, and more.

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Relational queries in SQL

Learn how to store related data in multiple tables and use joins to bring them together (inner joins, outer joins, and self joins).

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Modifying databases with SQL

Learn how to update data, delete data, and change table schemas with SQL commands UPDATE, DELETE, ALTER, and DROP.

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Further learning in SQL

Get ideas for how you can continue learning more about SQL and databases.

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About this unit

Learn how to use SQL to store, query, and manipulate data. SQL is a special-purpose programming language designed for managing data in a relational database, and is used by a huge number of apps and organizations.