Bulk database drop
Execute SQL file stored on server disk
Print CREATE+ALTER export instead of running it
Add whisperer to fields with foreign key
Highlight found fields
MySQL 5 BIT data type
Transactions in export
Compress export and import
Create view and routine options
Function to fix database encoding - http://php.vrana.cz/prevod-kodovani-mysql.php
Highlight SQL textarea - may use external CodePress
Mass editation of individual rows
IE6 - <label for>
Offer enum and set items in search - whisperer
Use event $intervals + microseconds in relative date functions
? Column and table names auto-completition in SQL textarea
? Aliasing of built-in functions can save 7 KB, function minification can save 7 KB, substitution of $_GET and friends can save 2 KB, remove of base64_decode() + using chars 127-255 in minification can save 1 KB, JS packer can save 1 KB, not enclosing attribute values can save 1.2 KB
? AJAX editing - select page has all data to display edit form

Editor:
JavaScript data validation - columns containing word email, url, md5, sha1, ...
Joining tables - PRIMARY KEY (table, joining)
Rank, Tree structure