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, used by …

SQL, or Structured Query Language, is a language specifically designed for accessing and interacting with databases. It allows users to create tables, modify data, and retrieve …

We almost always need unique IDs for each row in a database because we need a way to identify rows later when we're updating or deleting them and not be dependent on other columns …

We covered a lot of SQL, but as you use it more, particularly for creating read/write databases to power apps, you should familiarize yourself with all the features available.

Anyone can learn to code! Spend an hour on Khan Academy learning to code, with our tutorials in JS, HTML, or SQL.

Learn how to program drawings, animations, and games using JavaScript and the Processing library, and explore the technologies behind the web as you design webpages with HTML and …

May 11, 2015 · You’ll learn more ways to query complex data, how to join data across multiple tables, how to update and delete data, and see a lot of real world examples along the way.

Also see: ALTER TABLE. Our implementation of SQL is based on a popular dialect of SQL known as SQLite. To run SQL in the browser, we make use of these technologies: asm.js Emscripten …

Report a problem Step 1 What are your favorite books? You can make a database table to store them in! In this first step, create a table to store your list of books. It should have columns for …

As we've mentioned throughout this course, there are many times we might find ourselves using SQL or a SQL-like query language on a database. We can think of some uses as "read-only …