diff --git a/adminer/db.inc.php b/adminer/db.inc.php
index 0dd09134..414de59e 100644
--- a/adminer/db.inc.php
+++ b/adminer/db.inc.php
@@ -74,11 +74,11 @@ if ($adminer->homepage()) {
 			echo '<th>' . lang('Table');
 			echo '<td>' . lang('Engine') . doc_link(array('sql' => 'storage-engines.html'));
 			echo '<td>' . lang('Collation') . doc_link(array('sql' => 'charset-charsets.html', 'mariadb' => 'supported-character-sets-and-collations/'));
-			echo '<td>' . lang('Data Length') . doc_link(array('sql' => 'show-table-status.html', 'pgsql' => 'functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT'));
+			echo '<td>' . lang('Data Length') . doc_link(array('sql' => 'show-table-status.html', 'pgsql' => 'functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT', 'oracle' => 'REFRN20286'));
 			echo '<td>' . lang('Index Length') . doc_link(array('sql' => 'show-table-status.html', 'pgsql' => 'functions-admin.html#FUNCTIONS-ADMIN-DBOBJECT'));
 			echo '<td>' . lang('Data Free') . $doc_link;
 			echo '<td>' . lang('Auto Increment') . doc_link(array('sql' => 'example-auto-increment.html', 'mariadb' => 'auto_increment/'));
-			echo '<td>' . lang('Rows') . doc_link(array('sql' => 'show-table-status.html', 'pgsql' => 'catalog-pg-class.html#CATALOG-PG-CLASS'));
+			echo '<td>' . lang('Rows') . doc_link(array('sql' => 'show-table-status.html', 'pgsql' => 'catalog-pg-class.html#CATALOG-PG-CLASS', 'oracle' => 'REFRN20286'));
 			echo (support("comment") ? '<td>' . lang('Comment') . doc_link(array('sql' => 'show-table-status.html', 'pgsql' => 'functions-info.html#FUNCTIONS-INFO-COMMENT-TABLE')) : '');
 			echo "</thead>\n";
 
diff --git a/adminer/foreign.inc.php b/adminer/foreign.inc.php
index c526323c..02392eb0 100644
--- a/adminer/foreign.inc.php
+++ b/adminer/foreign.inc.php
@@ -97,7 +97,7 @@ foreach ($row["source"] as $key => $val) {
 	'mariadb' => "foreign-keys/",
 	'pgsql' => "sql-createtable.html#SQL-CREATETABLE-REFERENCES",
 	'mssql' => "ms174979.aspx",
-	'oracle' => "clauses002.htm#sthref2903",
+	'oracle' => "https://docs.oracle.com/cd/B19306_01/server.102/b14200/clauses002.htm#sthref2903",
 )); ?>
 <p>
 <input type="submit" value="<?php echo lang('Save'); ?>">
diff --git a/adminer/include/editing.inc.php b/adminer/include/editing.inc.php
index eb44fc8d..81577801 100644
--- a/adminer/include/editing.inc.php
+++ b/adminer/include/editing.inc.php
@@ -528,12 +528,15 @@ function doc_link($paths, $text = "<sup>?</sup>") {
 	global $jush, $connection;
 	$server_info = $connection->server_info;
 	$version = preg_replace('~^(\d\.?\d).*~s', '\1', $server_info); // two most significant digits
+	if (preg_match('~Oracle~', $server_info)) {
+		$version = preg_replace('~^.* (\d+)\.(\d+)\.\d+\.\d+\.\d+.*~s', '\1\2', $server_info);
+	}
 	$urls = array(
 		'sql' => "https://dev.mysql.com/doc/refman/$version/en/",
 		'sqlite' => "https://www.sqlite.org/",
 		'pgsql' => "https://www.postgresql.org/docs/$version/static/",
 		'mssql' => "https://msdn.microsoft.com/library/",
-		'oracle' => "https://download.oracle.com/docs/cd/B19306_01/server.102/b14200/",
+		'oracle' => "https://www.oracle.com/pls/topic/lookup?ctx=db$version&id=",
 	);
 	if (preg_match('~MariaDB~', $server_info)) {
 		$urls['sql'] = "https://mariadb.com/kb/en/library/";
diff --git a/adminer/processlist.inc.php b/adminer/processlist.inc.php
index abf93574..c2affc6a 100644
--- a/adminer/processlist.inc.php
+++ b/adminer/processlist.inc.php
@@ -27,7 +27,7 @@ foreach (process_list() as $i => $row) {
 			echo "<th>$key" . doc_link(array(
 				'sql' => "show-processlist.html#processlist_" . strtolower($key),
 				'pgsql' => "monitoring-stats.html#PG-STAT-ACTIVITY-VIEW",
-				'oracle' => "../b14237/dynviews_2088.htm",
+				'oracle' => "REFRN30223",
 			));
 		}
 		echo "</thead>\n";