SQL Police Department is an online game where you solve crimes using SQL (and learn SQL on the way). As you solve more cases, you advance in the ranks of SQL Police Department and learn more SQL.
Beautiful SQL runner app for those who want to run SQL commands in their phone. It comes with a sample database so that you can run all sorts of query to the employee, customer, songs and artists.
SQLGrammar is an app to check the format of your SQL statements. You can paste your SQL statements and the app will provide feedback on any Formatting or Parse errors.