Let's SQL is an iPhone app on which you can type and run SQL statement including both DDL and DML.
Not only you can learn SQL with excellent exercises but also you can try your own SQL on this application anytime, anywhere.

You can add databases and objects on them, which means you can try some special functions or complex statements using this practical structure just like in the real world.

Now, you can export/import your tables between your databace and Dropbox folder.

Let's SQL utilizes a SQLite database engine and has following features.

• Built-in database
  You can run any SQL including DDL on the built-in database without creating database objects. You also can restore the database anytime even after you delete or drop any objects so you can pursue earning SQL without any worries.
• Input assistance
  The App has powerful input assistance specialized in SQL statements so you can complete your SQL statement with less typing.
• Exercises
  The App comes with well thought out and enjoyable exercises. After you pass the questions and experiment with the different ways in which you can sometimes answer them, you will be ready for SQL programming.
• Multi Language
  The App supports English, Japanese and Chinese.
• Manual
  The App comes with a rich manual.