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I'm looking for a web-based service where visitors can execute SQL statements on a database, without having to set up or populate the database. Something suitable for beginners.

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closed as not constructive by Al E., phwd Mar 21 '12 at 21:31

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8 Answers 8

up vote 17 down vote accepted

There's also http://data.stackexchange.com/

There's an ever increasing number of data sets to choose from. These sets are of different sizes, the Stack Overflow one being the largest by far.

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Try SQL Exercises

You could start with learn stage

Note: I am affiliated with SQL Exercises

Note2: I am affiliated with SQL Tutorial also.

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FreeSQL looks like something for you, not web based though.

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Not a web app, but SQLiteman is a GUI interface to the SQLite database engine. You can create database files locally and query them through the application.

Screenshot

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You can get an account on apex.oracle.com and run SQL statements there.

You can upload CSV files into tables, then query them through the SQL Workshop. You also get to build Application Express web-apps over the tables if you want.

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While I was learning SQL, I had saved a small list of usable bookmarks of good sites from which you can execute SQL queries and I'm still keeping this list. Let me share it with you:

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I especialy like the interface for SQLzoo, all on one page. –  Liam Jul 6 '10 at 13:35

A XAMPP installation is probably the easiest self hosted solution. It is a portable mysql-php-apache on windows application that lets you query a mysql database locally. Because it is portable app, it doesn't require admin rights on your workstation to set up. Really only a self hosted solution will allow you to practice the non -INSERT/UPDATE/DELETE commands, like backup, create db, etc.

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On W3Schools you have the "Try it yourself" option where you can make your own queries. It's a very very useful site!

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This seems to have the kind of data and functionality I want, but the interface is far less usable than what they have for learning HTML and CSS. –  Liam Jul 2 '10 at 11:29

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