diff --git a/adminer/create.inc.php b/adminer/create.inc.php
index 9f41f38c..ed9c74d7 100644
--- a/adminer/create.inc.php
+++ b/adminer/create.inc.php
@@ -112,7 +112,7 @@ if ($_POST) {
 		$row["fields"][] = $field;
 	}
 	if ($dbh->server_info >= 5.1) {
-		$from = "FROM information_schema.PARTITIONS WHERE TABLE_SCHEMA = " . $dbh->quote($_GET["db"]) . " AND TABLE_NAME = " . $dbh->quote($_GET["create"]);
+		$from = "FROM information_schema.PARTITIONS WHERE TABLE_SCHEMA = " . $dbh->quote(DB) . " AND TABLE_NAME = " . $dbh->quote($_GET["create"]);
 		$result = $dbh->query("SELECT PARTITION_METHOD, PARTITION_ORDINAL_POSITION, PARTITION_EXPRESSION $from ORDER BY PARTITION_ORDINAL_POSITION DESC LIMIT 1");
 		list($row["partition_by"], $row["partitions"], $row["partition"]) = $result->fetch_row();
 		$row["partition_names"] = array();
diff --git a/adminer/database.inc.php b/adminer/database.inc.php
index 6563e977..1e3602fa 100644
--- a/adminer/database.inc.php
+++ b/adminer/database.inc.php
@@ -2,8 +2,8 @@
 if ($_POST && !$error && !isset($_POST["add_x"])) { // add is an image and PHP changes add.x to add_x
 	if ($_POST["drop"]) {
 		unset($_SESSION["databases"][$_GET["server"]]);
-		query_redirect("DROP DATABASE " . idf_escape($_GET["db"]), substr(preg_replace('~db=[^&]*&~', '', ME), 0, -1), lang('Database has been dropped.'));
-	} elseif ($_GET["db"] !== $_POST["name"]) {
+		query_redirect("DROP DATABASE " . idf_escape(DB), substr(preg_replace('~db=[^&]*&~', '', ME), 0, -1), lang('Database has been dropped.'));
+	} elseif (DB !== $_POST["name"]) {
 		// create or rename database
 		unset($_SESSION["databases"][$_GET["server"]]); // clear cache
 		$dbs = explode("\n", str_replace("\r", "", $_POST["name"]));
@@ -17,7 +17,7 @@ if ($_POST && !$error && !isset($_POST["add_x"])) { // add is an image and PHP c
 				$last = $db;
 			}
 		}
-		if (query_redirect(queries(), ME . "db=" . urlencode($last), lang('Database has been created.'), !strlen($_GET["db"]), false, $failed)) {
+		if (query_redirect(queries(), ME . "db=" . urlencode($last), lang('Database has been created.'), !strlen(DB), false, $failed)) {
 			$result = $dbh->query("SHOW TABLES");
 			while ($row = $result->fetch_row()) {
 				if (!queries("RENAME TABLE " . idf_escape($row[0]) . " TO " . idf_escape($_POST["name"]) . "." . idf_escape($row[0]))) {
@@ -25,7 +25,7 @@ if ($_POST && !$error && !isset($_POST["add_x"])) { // add is an image and PHP c
 				}
 			}
 			if (!$row) {
-				queries("DROP DATABASE " . idf_escape($_GET["db"]));
+				queries("DROP DATABASE " . idf_escape(DB));
 			}
 			query_redirect(queries(), preg_replace('~db=[^&]*&~', '', ME) . "db=" . urlencode($_POST["name"]), lang('Database has been renamed.'), !$row, false, $row);
 		}
@@ -38,15 +38,15 @@ if ($_POST && !$error && !isset($_POST["add_x"])) { // add is an image and PHP c
 	}
 }
 
-page_header(strlen($_GET["db"]) ? lang('Alter database') : lang('Create database'), $error, array(), $_GET["db"]);
+page_header(strlen(DB) ? lang('Alter database') : lang('Create database'), $error, array(), DB);
 
 $collations = collations();
-$name = $_GET["db"];
+$name = DB;
 $collate = array();
 if ($_POST) {
 	$name = $_POST["name"];
 	$collate = $_POST["collation"];
-} elseif (!strlen($_GET["db"])) {
+} elseif (!strlen(DB)) {
 	// propose database name with limited privileges
 	$result = $dbh->query("SHOW GRANTS");
 	while ($row = $result->fetch_row()) {
@@ -55,7 +55,7 @@ if ($_POST) {
 			break;
 		}
 	}
-} elseif (($result = $dbh->query("SHOW CREATE DATABASE " . idf_escape($_GET["db"])))) {
+} elseif (($result = $dbh->query("SHOW CREATE DATABASE " . idf_escape(DB)))) {
 	$create = $dbh->result($result, 1);
 	if (preg_match('~ COLLATE ([^ ]+)~', $create, $match)) {
 		$collate = $match[1];
@@ -76,7 +76,7 @@ if ($_POST) {
 <input type="hidden" name="token" value="<?php echo $token; ?>">
 <input type="submit" value="<?php echo lang('Save'); ?>">
 <?php
-if (strlen($_GET["db"])) {
+if (strlen(DB)) {
 	echo "<input type='submit' name='drop' value='" . lang('Drop') . "'$confirm>\n";
 } elseif (!$_POST["add_x"]) {
 	echo "<input type='image' name='add' src='../adminer/plus.gif' alt='+' title='" . lang('Add next') . "'>\n";
diff --git a/adminer/db.inc.php b/adminer/db.inc.php
index b72a68ca..ee1ad064 100644
--- a/adminer/db.inc.php
+++ b/adminer/db.inc.php
@@ -38,7 +38,7 @@ if ($tables_views && !$error) {
 	query_redirect(queries(), substr(ME, 0, -1), $message, $result, false, !$result);
 }
 
-page_header(lang('Database') . ": " . h($_GET["db"]), $error, false);
+page_header(lang('Database') . ": " . h(DB), $error, false);
 echo '<p><a href="' . h(ME) . 'database=">' . lang('Alter database') . "</a>\n";
 echo '<p><a href="' . h(ME) . 'schema=">' . lang('Database schema') . "</a>\n";
 
@@ -69,7 +69,7 @@ if (!$table_status) {
 	echo "<p><input type='hidden' name='token' value='$token'><input type='submit' value='" . lang('Analyze') . "'> <input type='submit' name='optimize' value='" . lang('Optimize') . "'> <input type='submit' name='check' value='" . lang('Check') . "'> <input type='submit' name='repair' value='" . lang('Repair') . "'> <input type='submit' name='truncate' value='" . lang('Truncate') . "'$confirm> <input type='submit' name='drop' value='" . lang('Drop') . "'$confirm>\n";
 	$dbs = get_databases();
 	if (count($dbs) != 1) {
-		$db = (isset($_POST["target"]) ? $_POST["target"] : $_GET["db"]);
+		$db = (isset($_POST["target"]) ? $_POST["target"] : DB);
 		echo "<p>" . lang('Move to other database') . ($dbs ? ": <select name='target'>" . optionlist($dbs, $db) . "</select>" : ': <input name="target" value="' . h($db) . '">') . " <input type='submit' name='move' value='" . lang('Move') . "'>\n";
 	}
 	echo "</form>\n";
@@ -78,7 +78,7 @@ if (!$table_status) {
 if ($dbh->server_info >= 5) {
 	echo '<p><a href="' . h(ME) . 'view=">' . lang('Create view') . "</a>\n";
 	echo "<h3>" . lang('Routines') . "</h3>\n";
-	$result = $dbh->query("SELECT * FROM information_schema.ROUTINES WHERE ROUTINE_SCHEMA = " . $dbh->quote($_GET["db"]));
+	$result = $dbh->query("SELECT * FROM information_schema.ROUTINES WHERE ROUTINE_SCHEMA = " . $dbh->quote(DB));
 	if ($result->num_rows) {
 		echo "<table cellspacing='0'>\n";
 		while ($row = $result->fetch_assoc()) {
diff --git a/adminer/dump.inc.php b/adminer/dump.inc.php
index 5a55f985..e295dc31 100644
--- a/adminer/dump.inc.php
+++ b/adminer/dump.inc.php
@@ -25,7 +25,7 @@ function dump_triggers($table, $style) {
 }
 
 if ($_POST) {
-	$ext = dump_headers((strlen($_GET["dump"]) ? $_GET["dump"] : $_GET["db"]), (!strlen($_GET["db"]) || count((array) $_POST["tables"] + (array) $_POST["data"]) > 1));
+	$ext = dump_headers((strlen($_GET["dump"]) ? $_GET["dump"] : DB), (!strlen(DB) || count((array) $_POST["tables"] + (array) $_POST["data"]) > 1));
 	if ($_POST["format"] == "sql") {
 		dump("SET NAMES utf8;
 SET foreign_key_checks = 0;
@@ -36,7 +36,7 @@ SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
 	}
 	
 	$style = $_POST["db_style"];
-	foreach ((strlen($_GET["db"]) ? array($_GET["db"]) : (array) $_POST["databases"]) as $db) {
+	foreach ((strlen(DB) ? array(DB) : (array) $_POST["databases"]) as $db) {
 		if ($dbh->select_db($db)) {
 			if ($_POST["format"] == "sql" && ereg('CREATE', $style) && ($result = $dbh->query("SHOW CREATE DATABASE " . idf_escape($db)))) {
 				if ($style == "DROP+CREATE") {
@@ -72,8 +72,8 @@ SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
 			if ($_POST["table_style"] || $_POST["data_style"]) {
 				$views = array();
 				foreach (table_status() as $row) {
-					$table = (!strlen($_GET["db"]) || in_array($row["Name"], (array) $_POST["tables"]));
-					$data = (!strlen($_GET["db"]) || in_array($row["Name"], (array) $_POST["data"]));
+					$table = (!strlen(DB) || in_array($row["Name"], (array) $_POST["tables"]));
+					$data = (!strlen(DB) || in_array($row["Name"], (array) $_POST["data"]));
 					if ($table || $data) {
 						if (isset($row["Engine"])) {
 							if ($ext == "tar") {
@@ -87,7 +87,7 @@ SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
 								dump_triggers($row["Name"], $_POST["table_style"]);
 							}
 							if ($ext == "tar") {
-								dump(tar_file((strlen($_GET["db"]) ? "" : "$db/") . "$row[Name].csv", ob_get_clean()));
+								dump(tar_file((strlen(DB) ? "" : "$db/") . "$row[Name].csv", ob_get_clean()));
 							} elseif ($_POST["format"] == "sql") {
 								dump("\n");
 							}
@@ -150,7 +150,7 @@ DROP PROCEDURE adminer_alter;
 	exit;
 }
 
-page_header(lang('Export'), "", (strlen($_GET["export"]) ? array("table" => $_GET["export"]) : array()), $_GET["db"]);
+page_header(lang('Export'), "", (strlen($_GET["export"]) ? array("table" => $_GET["export"]) : array()), DB);
 ?>
 
 <form action="" method="post">
@@ -166,7 +166,7 @@ if ($dbh->server_info >= 5) {
 echo "<tr><th>" . lang('Output') . "<td><input type='hidden' name='token' value='$token'>$dump_output\n"; // token is not needed but checked in bootstrap for all POST data
 echo "<tr><th>" . lang('Format') . "<td>$dump_format\n";
 echo "<tr><th>" . lang('Compression') . "<td>" . ($dump_compress ? $dump_compress : lang('None of the supported PHP extensions (%s) are available.', 'zlib, bz2')) . "\n";
-echo "<tr><th>" . lang('Database') . "<td><select name='db_style'>" . optionlist($db_style, (strlen($_GET["db"]) ? '' : 'CREATE')) . "</select>\n";
+echo "<tr><th>" . lang('Database') . "<td><select name='db_style'>" . optionlist($db_style, (strlen(DB) ? '' : 'CREATE')) . "</select>\n";
 echo "<tr><th>" . lang('Tables') . "<td><select name='table_style'>" . optionlist($table_style, 'DROP+CREATE') . "</select>\n";
 echo "<tr><th>" . lang('Data') . "<td><select name='data_style'>" . optionlist($data_style, 'INSERT') . "</select>\n";
 ?>
@@ -175,7 +175,7 @@ echo "<tr><th>" . lang('Data') . "<td><select name='data_style'>" . optionlist($
 
 <table cellspacing="0">
 <?php
-if (strlen($_GET["db"])) {
+if (strlen(DB)) {
 	$checked = (strlen($_GET["dump"]) ? "" : " checked");
 	echo "<thead><tr>";
 	echo "<th style='text-align: left;'><label><input type='checkbox' id='check-tables'$checked onclick='form_check(this, /^tables\\[/);'>" . lang('Tables') . "</label>";
diff --git a/adminer/event.inc.php b/adminer/event.inc.php
index 8a5f4e42..858c421d 100644
--- a/adminer/event.inc.php
+++ b/adminer/event.inc.php
@@ -29,7 +29,7 @@ $row = array();
 if ($_POST) {
 	$row = $_POST;
 } elseif (strlen($_GET["event"])) {
-	$result = $dbh->query("SELECT * FROM information_schema.EVENTS WHERE EVENT_SCHEMA = " . $dbh->quote($_GET["db"]) . " AND EVENT_NAME = " . $dbh->quote($_GET["event"]));
+	$result = $dbh->query("SELECT * FROM information_schema.EVENTS WHERE EVENT_SCHEMA = " . $dbh->quote(DB) . " AND EVENT_NAME = " . $dbh->quote($_GET["event"]));
 	$row = $result->fetch_assoc();
 }
 ?>
diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index d4bd60f6..1c8002f0 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -22,8 +22,8 @@ class Adminer {
 	* @return string
 	*/
 	function database() {
-		// should be used everywhere instead of $_GET["db"]
-		return $_GET["db"];
+		// should be used everywhere instead of DB
+		return DB;
 	}
 	
 	/** Print login form
@@ -336,8 +336,8 @@ class Adminer {
 	*/
 	function messageQuery($query) {
 		$id = "sql-" . count($_SESSION["messages"]);
-		$_SESSION["history"][$_GET["server"]][$_GET["db"]][] = $query;
-		return " <a href='#$id' onclick=\"return !toggle('$id');\">" . lang('SQL command') . "</a><div id='$id' class='hidden'><pre class='jush-sql'>" . h($query) . '</pre><a href="' . h(ME . 'sql=&history=' . (count($_SESSION["history"][$_GET["server"]][$_GET["db"]]) - 1)) . '">' . lang('Edit') . '</a></div>';
+		$_SESSION["history"][$_GET["server"]][DB][] = $query;
+		return " <a href='#$id' onclick=\"return !toggle('$id');\">" . lang('SQL command') . "</a><div id='$id' class='hidden'><pre class='jush-sql'>" . h($query) . '</pre><a href="' . h(ME . 'sql=&history=' . (count($_SESSION["history"][$_GET["server"]][DB]) - 1)) . '">' . lang('Edit') . '</a></div>';
 	}
 	
 	/** Functions displayed in edit form
@@ -427,9 +427,9 @@ class Adminer {
 <form action="">
 <p><?php if (strlen($_GET["server"])) { ?><input type="hidden" name="server" value="<?php echo h($_GET["server"]); ?>"><?php } ?>
 <?php if ($databases) { ?>
-<select name="db" onchange="this.form.submit();"><option value="">(<?php echo lang('database'); ?>)<?php echo optionlist($databases, $_GET["db"]); ?></select>
+<select name="db" onchange="this.form.submit();"><option value="">(<?php echo lang('database'); ?>)<?php echo optionlist($databases, DB); ?></select>
 <?php } else { ?>
-<input name="db" value="<?php echo h($_GET["db"]); ?>">
+<input name="db" value="<?php echo h(DB); ?>">
 <?php } ?>
 <?php if (isset($_GET["sql"])) { ?><input type="hidden" name="sql" value=""><?php } ?>
 <?php if (isset($_GET["schema"])) { ?><input type="hidden" name="schema" value=""><?php } ?>
@@ -438,7 +438,7 @@ class Adminer {
 </p>
 </form>
 <?php
-			if ($missing != "db" && strlen($_GET["db"])) {
+			if ($missing != "db" && strlen(DB)) {
 				$result = $dbh->query("SHOW TABLES");
 				if (!$result) {
 					echo "<p class='error'>" . lang('No tables.') . "\n";
diff --git a/adminer/include/bootstrap.inc.php b/adminer/include/bootstrap.inc.php
index 9e14eb2a..86d8d108 100644
--- a/adminer/include/bootstrap.inc.php
+++ b/adminer/include/bootstrap.inc.php
@@ -69,7 +69,8 @@ if (get_magic_quotes_gpc()) {
 set_magic_quotes_runtime(false);
 @set_time_limit(0); // @ - can be disabled
 
-define("ME", preg_replace('~^[^?]*/([^?]*).*~', '\\1', $_SERVER["REQUEST_URI"]) . '?' . (strlen($_GET["server"]) ? 'server=' . urlencode($_GET["server"]) . '&' : '') . (strlen($_GET["db"]) ? 'db=' . urlencode($_GET["db"]) . '&' : ''));
+define("DB", $_GET["db"]); // for the sake of speed and size
+define("ME", preg_replace('~^[^?]*/([^?]*).*~', '\\1', $_SERVER["REQUEST_URI"]) . '?' . (strlen($_GET["server"]) ? 'server=' . urlencode($_GET["server"]) . '&' : '') . (strlen(DB) ? 'db=' . urlencode(DB) . '&' : ''));
 $on_actions = array("RESTRICT", "CASCADE", "SET NULL", "NO ACTION"); // used in foreign_keys()
 
 include "../adminer/include/version.inc.php";
diff --git a/adminer/include/connect.inc.php b/adminer/include/connect.inc.php
index 8c160839..550d31a4 100644
--- a/adminer/include/connect.inc.php
+++ b/adminer/include/connect.inc.php
@@ -1,8 +1,8 @@
 <?php
 function connect_error() {
 	global $dbh, $VERSION;
-	if (strlen($_GET["db"])) {
-		page_header(lang('Database') . ": " . h($_GET["db"]), lang('Invalid database.'), false);
+	if (strlen(DB)) {
+		page_header(lang('Database') . ": " . h(DB), lang('Invalid database.'), false);
 	} else {
 		page_header(lang('Select database'), "", null);
 		foreach (array(
@@ -19,8 +19,8 @@ function connect_error() {
 	page_footer("db");
 }
 
-if (!(strlen($_GET["db"]) ? $dbh->select_db($_GET["db"]) : isset($_GET["sql"]) || isset($_GET["dump"]) || isset($_GET["database"]) || isset($_GET["processlist"]) || isset($_GET["privileges"]) || isset($_GET["user"]) || isset($_GET["variables"]))) {
-	if (strlen($_GET["db"])) {
+if (!(strlen(DB) ? $dbh->select_db(DB) : isset($_GET["sql"]) || isset($_GET["dump"]) || isset($_GET["database"]) || isset($_GET["processlist"]) || isset($_GET["privileges"]) || isset($_GET["user"]) || isset($_GET["variables"]))) {
+	if (strlen(DB)) {
 		unset($_SESSION["databases"][$_GET["server"]]);
 	}
 	connect_error(); // separate function to catch SQLite error
diff --git a/adminer/include/design.inc.php b/adminer/include/design.inc.php
index 0f16871c..e02b5852 100644
--- a/adminer/include/design.inc.php
+++ b/adminer/include/design.inc.php
@@ -25,8 +25,8 @@ function page_header($title, $error = "", $breadcrumb = array(), $title2 = "") {
 		$link = substr(preg_replace('~db=[^&]*&~', '', ME), 0, -1);
 		echo '<p id="breadcrumb"><a href="' . (strlen($link) ? h($link) : ".") . '">' . (isset($_GET["server"]) ? h($_GET["server"]) : lang('Server')) . '</a> &raquo; ';
 		if (is_array($breadcrumb)) {
-			if (strlen($_GET["db"])) {
-				echo '<a href="' . h(substr(ME, 0, -1)) . '">' . h($_GET["db"]) . '</a> &raquo; ';
+			if (strlen(DB)) {
+				echo '<a href="' . h(substr(ME, 0, -1)) . '">' . h(DB) . '</a> &raquo; ';
 			}
 			foreach ($breadcrumb as $key => $val) {
 				$desc = (is_array($val) ? $val[1] : $val);
@@ -43,7 +43,7 @@ function page_header($title, $error = "", $breadcrumb = array(), $title2 = "") {
 		$_SESSION["messages"] = array();
 	}
 	$databases = &$_SESSION["databases"][$_GET["server"]];
-	if (strlen($_GET["db"]) && $databases && !in_array($_GET["db"], $databases, true)) {
+	if (strlen(DB) && $databases && !in_array(DB, $databases, true)) {
 		$databases = null;
 	}
 	if (isset($databases) && !isset($_GET["sql"])) {
diff --git a/adminer/schema.inc.php b/adminer/schema.inc.php
index d431e45e..6aedd66f 100644
--- a/adminer/schema.inc.php
+++ b/adminer/schema.inc.php
@@ -1,5 +1,5 @@
 <?php
-page_header(lang('Database schema'), "", array(), $_GET["db"]);
+page_header(lang('Database schema'), "", array(), DB);
 
 $table_pos = array();
 $table_pos_js = array();
diff --git a/adminer/select.inc.php b/adminer/select.inc.php
index 3f7754cf..1b3f5a01 100644
--- a/adminer/select.inc.php
+++ b/adminer/select.inc.php
@@ -156,7 +156,7 @@ if (!$columns) {
 	echo "<form action='' id='form'>\n";
 	echo "<div style='display: none;'>";
 	echo (strlen($_GET["server"]) ? '<input type="hidden" name="server" value="' . h($_GET["server"]) . '">' : "");
-	echo (strlen($_GET["db"]) ? '<input type="hidden" name="db" value="' . h($_GET["db"]) . '">' : ""); // not used in Editor
+	echo (strlen(DB) ? '<input type="hidden" name="db" value="' . h(DB) . '">' : ""); // not used in Editor
 	echo '<input type="hidden" name="select" value="' . h($_GET["select"]) . '">';
 	echo "</div>\n";
 	$adminer->selectColumnsPrint($select, $columns);
@@ -221,7 +221,7 @@ if (!$columns) {
 			echo ($table_names ? "<th>" . lang('Relations') : "") . "</thead>\n";
 			foreach ($descriptions as $n => $row) {
 				$unique_idf = implode('&amp;', unique_idf($rows[$n], $indexes));
-				echo "<tr" . odd() . "><td><input type='checkbox' name='check[]' value='$unique_idf' onclick=\"this.form['all'].checked = false; form_uncheck('all-page');\">" . (count($select) != count($group) || information_schema($_GET["db"]) ? '' : " <a href='" . h(ME) . "edit=" . urlencode($_GET['select']) . "&amp;$unique_idf'>" . lang('edit') . "</a>");
+				echo "<tr" . odd() . "><td><input type='checkbox' name='check[]' value='$unique_idf' onclick=\"this.form['all'].checked = false; form_uncheck('all-page');\">" . (count($select) != count($group) || information_schema(DB) ? '' : " <a href='" . h(ME) . "edit=" . urlencode($_GET['select']) . "&amp;$unique_idf'>" . lang('edit') . "</a>");
 				foreach ($row as $key => $val) {
 					if (isset($names[$key])) {
 						if (strlen($val) && (!isset($email_fields[$key]) || strlen($email_fields[$key]))) {
@@ -297,7 +297,7 @@ if (!$columns) {
 			}
 			echo " (" . lang('%d row(s)', $found_rows) . ') <label><input type="checkbox" name="all" value="1">' . lang('whole result') . "</label>\n";
 			
-			echo (information_schema($_GET["db"]) ? "" : "<fieldset><legend>" . lang('Edit') . "</legend><div><input type='submit' name='edit' value='" . lang('Edit') . "'> <input type='submit' name='clone' value='" . lang('Clone') . "'> <input type='submit' name='delete' value='" . lang('Delete') . "'$confirm></div></fieldset>\n");
+			echo (information_schema(DB) ? "" : "<fieldset><legend>" . lang('Edit') . "</legend><div><input type='submit' name='edit' value='" . lang('Edit') . "'> <input type='submit' name='clone' value='" . lang('Clone') . "'> <input type='submit' name='delete' value='" . lang('Delete') . "'$confirm></div></fieldset>\n");
 			echo "<fieldset><legend>" . lang('Export') . "</legend><div>$dump_output $dump_format $dump_compress <input type='submit' name='export' value='" . lang('Export') . "'></div></fieldset>\n";
 		}
 		echo "<fieldset><legend>" . lang('CSV Import') . "</legend><div><input type='hidden' name='token' value='$token'><input type='file' name='csv_file'> <input type='submit' name='import' value='" . lang('Import') . "'></div></fieldset>\n";
diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index 440a7c1e..d7e9d39e 100644
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -1,5 +1,5 @@
 <?php
-$history = &$_SESSION["history"][$_GET["server"]][$_GET["db"]];
+$history = &$_SESSION["history"][$_GET["server"]][DB];
 if (!$error && $_POST["clear"]) {
 	$history = array();
 	redirect(remove_from_uri("history"));
@@ -30,9 +30,9 @@ if (!$error && $_POST) {
 		$delimiter = ";";
 		$offset = 0;
 		$empty = true;
-		$dbh2 = (strlen($_GET["db"]) ? connect() : null); // connection for exploring indexes (to not replace FOUND_ROWS()) //! PDO - silent error
+		$dbh2 = (strlen(DB) ? connect() : null); // connection for exploring indexes (to not replace FOUND_ROWS()) //! PDO - silent error
 		if (is_object($dbh2)) {
-			$dbh2->select_db($_GET["db"]);
+			$dbh2->select_db(DB);
 		}
 		while (strlen($query)) {
 			if (!$offset && preg_match('~^\\s*DELIMITER\\s+(.+)~i', $query, $match)) {
@@ -105,7 +105,7 @@ if (!$error && $_POST) {
 ?>
 
 <form action="" method="post" enctype="multipart/form-data">
-<p><textarea name="query" rows="20" cols="80" style="width: 98%;"><?php echo h($_POST ? $_POST["query"] : (strlen($_GET["history"]) ? $_SESSION["history"][$_GET["server"]][$_GET["db"]][$_GET["history"]] : $_GET["sql"])); ?></textarea>
+<p><textarea name="query" rows="20" cols="80" style="width: 98%;"><?php echo h($_POST ? $_POST["query"] : (strlen($_GET["history"]) ? $_SESSION["history"][$_GET["server"]][DB][$_GET["history"]] : $_GET["sql"])); ?></textarea>
 <p>
 <input type="hidden" name="token" value="<?php echo $token; ?>">
 <input type="submit" value="<?php echo lang('Execute'); ?>">
diff --git a/editor/include/connect.inc.php b/editor/include/connect.inc.php
index dcff166d..8bc07761 100644
--- a/editor/include/connect.inc.php
+++ b/editor/include/connect.inc.php
@@ -1,3 +1,2 @@
 <?php
-$_GET["db"] = ""; // used here and there by Adminer
 $dbh->select_db($adminer->database());