phpMyAdmin is intended to handle the administration of MySQL over the Web. Currently it can:

• Create and drop databases
• Create, copy, drop, and alter tables
• Delete, edit, and add fields
• Execute any SQL-statement, even batch-queries
• Manage keys on fields
• Load text files into tables
• Create and read dumps of tables
• Export data to CSV values
• Administer multiple servers and single databases

Note: While the software is classified as free, it is actually donationware. Please consider making a donation to help support development.