phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Currently it can create and drop databases, create/drop/alter tables, delete/edit/add columns, execute any SQL statement, manage indexes on columns.

Welcome to phpMyAdmin 3.4.0, presenting a new default theme. This release 
contains new features, especially:

* User preferences
* Relation schema export to multiple formats
* ENUM/SET editor
* Simplified interface for export/import
* AJAXification of some parts
* Charts
* Visual query builder

and here is the ChangeLog : (2011-05-11)
+ RFE #2890226 [view] Enable VIEW rename 
+ RFE #838637 [privileges] Export a user's privileges 
- [core] Updated mootools to fix some glitches with Safari.
+ RFE #2816943 [interface] Add REGEXP ^...$ to select dialog.
+ RFE #2924956 [interface] Add insert ignore option to editing row.
+ RFE #2838080 [interface] Show warning when javascript is disabled.
+ RFE #2823707 [edit] Call UUID function separately to show it in insert.
+ RFE #2420684 [export] Allow export of timestamps in UTC.
+ [core] Remove config data from session as it brings chicken-egg problem.
+ [core] Cookie path now honors PmaAbsoluteUri.
+ RFE #2393597 [core] phpMyAdmin honors https in PmaAbsoluteUri.
+ RFE #1778337 [core] Try moving tables by RENAME and fail to CREATE/INSERT if that fails.
+ RFE #1721189 [core] Force reload js on code change.
+ RFE #1954161 [interface] Do not display long numbers in server status.
+ RFE #2033616 [edit] Add option to just display insert query.
+ RFE #1435032 [interface] Move SSL status to the end, it is usually empty.
+ RFE #1340812 [interface] Show numbers of columns in table structure.
+ RFE #1186511 [inrerface] Add link to reload navigation frame.
+ RFE #2936156 [auth] Signon authentication forwards error message through session data.
+ RFE #2835109 [interface] Move ^1 to the end of message.
+ RFE #854911  [interface] Grey out non applicable actions in structure 
+ [interface] Allow to create new table from navigation frame (in light mode).
+ RFE #1025696 [browse] Add direct download of binary fields.
- [browse] Properly display NULL value for BLOB.
- RFE #1516803 [edit] Allow to set BLOB to/from NULL with ProtectBinary.
- [edit] Do not default to UNHEX when using file upload.
- RFE #1379201 [core] Add option to configure session_save_path.
+ [interface] Provide links to documentation in highlighted SQL.
+ [interface] It is now possible to bookmark most pages in JS capable browser.
- bug #2936482 [core] Fix SSL detection.
+ RFE #2937850 [doc] Add some hints to chk_rel.php for quick setup.
+ RFE #2938579 [interface] Add class to some elements for easier theming.
+ RFE #2937840 [doc] Add some interesting configs to
+ RFE #2792992 [doc] Added advice to re-login after changing pmadb settings
+ patch #2952353 [interface] Prefill "Copy table to" in tbl_operations.php, thanks to iinl
+ [lang] Add English (United Kingdom) translation, thanks to Robert Readman.
+ patch #2948421 [auth] HTTP Basic auth realm name,
  thanks to Harald Jenny
- bug #2954916 [interface] Do not insert doc links to not formatted SQL.
+ [lang] Chinese Simplified update, thanks to Shanyan Baishui 
+ [lang] Turkish update, thanks to Burak Yavuz
+ RFE #2963310 [interface] Focus TEXTAREA "sql_query" on click on "SQL" link
+ [lang] Uzbek update, thanks to Orzu Samarqandiy
+ RFE #2958013 [import] After import, also list uploaded filename, thanks
  to Pavel Konnikov and Herman van Rink
+ patch #2974341 [structure] Clicking on table name in db Structure should 
  Browse the table if possible, thanks to bhdouglass
+ patch #2975533 [search] New search operators, thanks to
  Martynas Mickevičius
+ patch #2967320 [designer] Colored relations based on the primary key,
  thanks to GreenRover
- [core] Provide way for vendors to easily change paths to config files.
+ patch #2979922, RFE #2804874 [interface] Add inline query editing, thanks to Muhammd Adnan.
- bug #2966752 [setup] Allow to configure changes tracking in setup script.
+ patch #2981165 [edit] Optionally disable the Type column, 
  thanks to Brian Douglass
+ patch #2984058 [edit] Buttons for quicky creating common SQL queries, thanks
  to sutharshan.
+ patch #2984337 [interface] Convert loading of export/import to jQuery ready
  event, thanks to sutharshan.
- [edit] CURRENT_TIMESTAMP is also valid for datetime fields.
- patch #2985068 [engines] Fix parsing of PBXT status, thanks to Madhura Jayaratne.
- patch #2986073 [interface] Convert upload progress bar to jQuery, thanks to
  Philip Frank.
- patch #2983960 [interface] Add javascript validation of datetime input,
  thanks to Sutharshan Balachandren.
- RFE #2981999 [interface] Default sort order is now SMART.
- RFE #2972969 [interface] Fix flipping of headers in non-IE browsers.
+ RFE #2964518 [interface] Allow to choose servers from configuration for
+ RFE #2988633 [relation] Improve ON DELETE/ON UPDATE drop-downs
+ RFE #2988629 [relation] Improve labels in relation view 
+ RFE #2983207, patch #2988715 [interface] Use jQuery calendar dialog, thanks
  to Muhammad Adnan.
+ [doc] Incorporate synchronisation docs into main document.
+ [core] Include Content Security Policy HTTP headers.
- bug #3004216 [CSS] Field attributes use inline CSS
- patch #2999595, RFE #2998130 [interface] Cleanup navigation frame.
- patch #3025161 [core] Prevent sending of unnecessary cookies, 
  thanks to Piotr Przybylski 
- bug [password] Generate password only available if JS is enabled
  (fixed for Privileges and Change password)
- [core] RecodingEngine now accepts none as valid option.
+ [core] Dropped AllowAnywhereRecoding configuration variable.
- RFE #3016457 [interface] Define tab order in SQL form to allow easier tab
+ [core] Centralized format string expansion, @VARIABLES@ are recommended way
  now, used by file name templates, default queries, export and title
+ [validator] SQL validator works also with SOAP PHP extension.
- [interface] Better formatting for SQL validator results.
- [doc] The linked-tables infrastructure is now called phpMyAdmin
  configuration storage.
- [interface] Move drop/empty links from being tabs to Operations tab.
- [interface] Fixed rendering of error/notice/info titles background.
- patch #3038293 [doc] Language and grammar fixes,
  thanks to Isaac Bennetch
- patch #3038312 [export] JSON export, 
  thanks to Hauke Henningsen
- RFE #1494550 [interface] Editor for SET/ENUM fields.
- RFE #2649375 [interface] Simplified interface to backup/restore.
- RFE #2973909 Users preferences
- [relations] Dropped WYSIWYG-PDF configuration variable.
- RFE #806035, bug #686260 [relations] Export relations to Dia, SVG and others
+ [interface] Added charts to status tab, profiling page and query results
+ [interface] AJAXification on various pages 
- [core] Remove last remaining parts of profiling code which was removed in 2006.
- bug #3042665 [parser] Add workaround for MySQL way of handling backtick.
- bug #3056610 [interface] Removed modification options for information_schema 
+ patch #3055886 [config] Add Left frame table filter visibility config option, thanks to eesau
- [core] Force generating of new session on login
+ RFE #1105678 [interface] Drop page-break-before as it is useless for smaller
+ RFE #2956556 [interface] Allow to wrap enum values.
- bug #1669459 [interface] Do not automatically mark PDF schema rows to delete
- bug #3087682 [interface] Do not apply LeftFrameDBSeparator on first character.
+ RFE #3111455 [interface] Column highlighting and marking in table view
+ Visual query builder
- bug #3115519 [interface] Prevent long queries from being shown in confirmation
- patch #3112792 [navi] Left panel table grouping incorrect,
  thanks to garas - garas
- bug #3123433 [interface] Avoid double escaping of MySQL errors.
- [interface] Use less noisy message and remove disable link on server charts an
d database statistics.
+ rfe #3141330 [relation] When displaying results, show a link to the foreign
  table even when phpMyAdmin configuration storage is not active
- bug #3141327 [relation] Foreign key input options
- [export] Better handling of export to PHP array.
- rfe #3158867 [privileges] No DROP DATABASE warning if you delete a user
- [interface] Add link to documentation for status variables.
- [security] Redirect external links to avoid Referer leakage.
- [interface] Default to not count tables in database.
- patch #3172172 [interface] Shortcut for copying table row.
- bug #3175227 [auth] Reset user cache on login.
- rfe #3148361 [interface] Replace hard coded limit with $cfg['LimitChars'].
- bug #3177136 [interface] Indicate that bookmark is being used on browse.
- [interface] Indicate shared bookmarks in interface.
- patch #3176420 [Search] Ajaxify browse and delete criteria in DB Search,
  thanks to Thilanka Kaushalya
- [interface] New default theme pmahomme, dropped darkblue_orange theme.
- rfe #2936155 [auth] Allow to pass additional parameters using signon method.
- rfe #1640812 [auth] Add example for OpenID authentication using signon method.
- rfe #1312657 [dbi] Default to mysqli extension.
- rfe #1168350 [interface] Add clear button to SQL edit box.
- [core] Update library PHPExcel to version 1.7.6
- bug #3206876 [core] Work without mbstring installed.
- rfe #3196075, patch #3212068 [interface] Add links to variables documentation.
- bug #3208723 [import] Fix import of utf-8 XML files.
- bug #3039384 [auth] Force signon auth on signon URL change.
- bug #3168733 [core] Synchronization does not honor AllowArbitraryServer
- bug #3134495 [synchronization] Data containing single quotes prevents sync,
  thanks to jviewer
- Remove the custom color picker feature
- bug #3285929 [privileges] Don't fail silently on missing priviledge to execute