202 lines
11 KiB
HTML
Executable File
202 lines
11 KiB
HTML
Executable File
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<title>phpMyAdmin - Documentation</title>
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<h1>phpMyAdmin 2.x.x- Documentation</h1>
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<p><a href="http://www.htmlwizard.net/phpMyAdmin/" class="navigation">http://www.htmlwizard.net/phpMyAdmin/</a><br>
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<a href="mailto:tobias@dnet.it" class="navigation">Tobias Ratschiller</a></p>
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<p>Version history: <a href="ChangeLog">ChangeLog</a><br>
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Installation instructions: <a href="INSTALL">INSTALL</a><br>
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General notes: <a href="README">README</a></p>
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<h2>Configuration</h2>
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<p>All configurable data is placed in config.inc.php3.</p>
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<p><b>$cfgServers</b> array<br>
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Since version 1.4.2, phpMyAdmin supports the adminstration of multiple MySQL-server.
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Therefore, a $cfgServers-array has been added which contains the login information
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for the different servers. $cfgServers[1]['host'] contains the hostname of the
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first server, $cfgServers[2]['host'] the hostname of the second server, etc.
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If you have only one server to administer, simply leave free the hostname of
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the other $cfgServer-entries.
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<p><b>$cfgServers[n]['port']</b> string<br>
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The port-number of your n-th MySQL-server. Default is 3300 (leave blank).</p>
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<p><b>$cfgServers[n]['host']</b> string<br>
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The hostname of your n-th MySQL-server. E.g. localhost.</p>
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<p><b>$cfgServers[n]['adv_auth']</b> boolean<br>
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Whether basic or advanced authentication should be used for this server. Basic
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authentication ($adv_auth = false) is the plain old way: username and password
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are stored in config.inc.php3. Advanced authentication $adv_auth = true) as
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introduced in 1.3.0 allows you to log in as any valid MySQL user via HTTP-Auth.
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All you have to provide in config.inc is a standard user which can connect to
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MySQL and read the mysql user/db table (see $cfgServers[n]['stduser']).<br>
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Using advanced authentication is recommended:</p>
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<ul>
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<li> when phpMyAdmin is running in a multi-user environment where people have
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shell-access that you don't want to know the username/password for MySQL.</li>
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<li>when you want to give users access to their own database and don't want
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them to play around with others.</li>
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</ul>
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<p>Advanced authentication is secure as the standard user needs just read-only-access
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to the mysql database. MySQL passwords cannot be decrypted easily, so there's
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no chance for a normal user to look at other users' plaintext passwords.</p>
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<p><b>$cfgServers[n]['user']</b> string<br>
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<b>$cfgServers[n]['password']</b> string<br>
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The user/password-pair which phpMyAdmin will use to connect to this MySQL-server
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when using basic authentification. Not needed when using advanced authentification.</p>
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<p><b>$cfgServers[n]['stduser'] </b>string<br>
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<b>$cfgServers[n]['stdpass']</b> string<br>
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A user/pasword pair used to verify the real user/password pair when using advanced
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authentification. This user must be able to connect to MySQL and read the mysql
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user table. Not needed when using basic authentification.</p>
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<p><b>$cfgServers[n]['only_db']</b> string<br>
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If set to a database name, only this database will be shown to the user.</p>
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<p><b>$cfgServers[n]['verbose']</b> string<br>
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Only useful when using phpMyAdmin with multiple server entries. If set, this
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string will be displayed instead of the hostname in the pulldown menu on the
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main page. This can be useful if you want to show only certain databases on
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your system, for example.<br>
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</p>
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<p><b>$cfgManualBase</b> string<br>
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If set to an URL which points to the MySQL documentation, appropriate help links
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are generated.<br>
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</p>
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<p><b>$cfgPersistentConnections </b>boolean<br>
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Whether persistent connections should be used or not (mysql_connect or mysql_pconnect).</p>
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<p><b>$cfgConfirm </b>boolean<br>
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Whether a warning ("Are your really sure..") should be displayed when
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you're about to loose data.</p>
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<p><b>$cfgMaxRows </b>integer<br>
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Number of rows displayed when browsing a resultset. If the resultset contains
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more rows, Previous/Next links will be shown.</p>
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<p><b>$cfgMaxInputsize </b>integer<br>
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Size of the edit-field when adding a new record to a table.</p>
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<p><b>$cfgBorder </b>integer<br>
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The size of a table's border.</p>
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<p><b>$cfgThBgcolor </b>string [HTML color]<br>
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The color (HTML) used for table headers.</p>
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<p><b>$cfgBgcolorOne </b>string [HTML color]<br>
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The color (HTML) #1 for table rows.</p>
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<p><b>$cfgBgcolorTwo </b>string [HTML color]<br>
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The color (HTML) #2 for table rows.</p>
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<p><b>$cfgOrder </b>string ["DESC"|"ASC"]<br>
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Defines whether fields are displayed in ascending ("ASC") order or in descending
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("DESC") order when you click on the field-name.
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<p><b>$cfgShowBlob </b>boolean<br>
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Defines whether BLOB fields are shown when browsing a table's content or not.
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<p><b>$cfgShowSQL </b>boolean<br>
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Defines whether sql-queries generated by phpMyAdmin should be displayed or not.
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<p><b>$cfgColumnTypes </b>array<br>
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All possible types of a MySQL column. In most cases you don't need to edit this.</p>
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<p><b>$cfgFunctions </b>array<br>
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A list of functions MySQL supports. In most cases you don't need to edit this.</p>
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<p><b>$cfgAttributeTypes </b>array<br>
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Possible attributes for fields. In most cases you don't need to edit this.</p>
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<h2>FAQ - Frequently Asked Questions</h2>
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<p><b>I can't insert new rows into a table - MySQL brings up a SQL-error.<br>
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</b>
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Examine the SQL error with care. I've found that many programmers specifying a wrong field-type. Common errors include:</p>
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<ul>
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<li>Using VARCHAR without a size argument
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<li>Using TEXT or BLOB with a size argument </li>
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</ul>
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<p>
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Also, look at the syntax chapter in the MySQL manual to confirm that your syntax is correct.</p>
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<p><b>phpMyAdmin can't connect to MySQL. What's wrong?<br>
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</b>
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Either there is an error with your PHP setup or your username/password is
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wrong. Try to make a small script which uses mysql_connect and see if it works.
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If it doesn't, it may be you haven't even compiled MySQL support into PHP.</p>
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<p><b>I cannot edit the content of a table, even if the README says this is a
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feature of phpMyAdmin.<br>
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</b>phpMyAdmin allows only editing of a table's content if the table contains
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a primary or unique key.</p>
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<p><b>phpMyAdmin always gives "Access denied" when using advanced authentification.<br>
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</b>This could happen for some reasons:
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<ul>
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<li>$stduser/$stdpassword is wrong. Try to turn off $adv_auth and use this username and password to connect to MySQL.
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<li>The username/password your specify in the login-dialog is wrong. Try the same as above and see if it works.
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<li>You have already setup a security mechanism for the phpMyAdmin-directory,
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eg. a .htaccess file. This would interfere with phpMyAdmin's authentification,
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so remove it.
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</ul>
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<p><b>I would like to help out with the development of phpMyAdmin. How should I proceed?<br>
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</b>
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The following method is preferred for new developers:
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<ul>
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<li>fetch the current CVS tree over anonymous CVS:<br>
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cvs -d :pserver:anon@www.htmlwizard.net:/usr/local/cvsroot login<br>
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[Password: phpMyAdmin]
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cvs -d :pserver:anon@www.htmlwizard.net:/usr/local/cvsroot checkout phpMyAdmin<br>
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[This will create a new sub-directory named phpMyAdmin]
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<li>add your stuff
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<li>send me the modified files (tar'ed and gzip'ed)
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Write access to the CVS tree is granted only to experienced developers who have already contributed something useful to phpMyAdmin.<br>
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Also, have a look at the file DEVELOPERS.
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</ul>
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<p><b>What's the preferred way of making phpMyAdmin secure against evil access?<br>
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</b> This depends on your system. If you're running a server which cannot be
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accessed by other people, it's sufficient to use the directory protection bundled
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with your webserver (with Apache you can use .htaccess files, for example).
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If other people have telnet access to your server, it's not a good idea to store
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the MySQL password in clear text in your config.inc.php3 file. You should use
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phpMyAdmin's advanced authentification feature in this case.
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<p><b>How can I insert a null value into my table?<br>
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</b> Enter "null", without the quotes, as the field's value. This
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is especially useful for Timestamp ot AutoIncrement fields.
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<p><b>I'm an ISP. Can I setup one central copy of phpMyAdmin or do I need to install
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it for each customer?<br>
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</b> Since version 2.0.3, you can setup a central copy of phpMyAdmin for all
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your users. The development of this feature was kindly sponsored by NetCologne
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GmbH.<br>
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This requires a properly setup MySQL user management and phpMyAdmin's advanced
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authentication. phpMyAdmin performs these steps, when authenticating a user:
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<ol>
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<li>Select all entries from the mysql.user table where the username/password
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matches the challenging user. If no rows are returned, the authentication
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has failed. Otherwise, phpMyAdmin continues with step 2.</li>
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<li>If the user's global Select_Priv is "N" (ie the user is not allowed
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to access <i>all</i> databases), phpMyAdmin searches the mysql.db table for
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entries with Select_Priv = "Y" belonging to the user. If no entries
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are found, the authentication has failed. Otherwise, phpMyAdmin shows all
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databases the user is allowed to view.<br>
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If the user's global Select_Priv is "Y", all databases in the system
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are shown.<br>
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</li>
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</ol>
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<p>This means that you need to add a user to the mysql database as following:<br>
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INSERT INTO user (Host, User, Password, Select_priv, Insert_priv, Update_priv,
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Delete_priv, Create_priv, Drop_priv, Reload_priv, Shutdown_priv, Process_priv,
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File_priv, Grant_priv, References_priv, Index_priv, Alter_priv) VALUES ('localhost',
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'foo', PASSWORD('bar'), 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N', 'N',
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'N', 'N', 'N') <br>
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INSERT INTO db (Host, Db, User, Select_priv, Insert_priv, Update_priv, Delete_priv,
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Create_priv, Drop_priv, Grant_priv, References_priv, Index_priv, Alter_priv)
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VALUES ('localhost', 'foo_db', 'foo', 'Y', 'Y', 'Y', 'Y', 'Y', 'Y', '', '',
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'', '') <br>
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Then only the "foo_db" database will be displayed to user "foo".</p>
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