diff --git a/centreon/common/cisco/standard/snmp/mode/memory.pm b/centreon/common/cisco/standard/snmp/mode/memory.pm
index 6b5449d9d..254757dbe 100644
--- a/centreon/common/cisco/standard/snmp/mode/memory.pm
+++ b/centreon/common/cisco/standard/snmp/mode/memory.pm
@@ -263,7 +263,7 @@ sub check_memory_enhanced_pool {
             instances => [keys %$physical_array],
             instance_regexp => '^(.*)$'
         );
-        $snmp_result = $self->{snmp}->get_leef(nothing_quit => 1);
+        $snmp_result = $self->{snmp}->get_leef();
         foreach (keys %{$self->{memory}}) {
             if (defined($snmp_result->{ $oid_entPhysicalName . '.' . $self->{memory}->{$_}->{physical_index} })) {
                 $self->{memory}->{$_}->{display} = 
diff --git a/database/mysql/dbi.pm b/database/mysql/dbi.pm
new file mode 100644
index 000000000..43e5bd944
--- /dev/null
+++ b/database/mysql/dbi.pm
@@ -0,0 +1,41 @@
+#
+# Copyright 2019 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package database::mysql::dbi;
+
+use base qw(centreon::plugins::dbi);
+
+use strict;
+use warnings;
+
+sub set_version {
+    my ($self) = @_;
+    
+    $self->{version} = $self->{instance}->get_info(18); # SQL_DBMS_VER
+    # MariaDB: 5.5.5-10.1.36-MariaDB
+    if ($self->{version} =~ /^(.*.)-(.*?)-MariaDB/i) {
+        $self->{version} = $1;
+        $self->{mariadb_version} = $2;
+    }
+}
+
+1;
+
+__END__
diff --git a/database/mysql/mode/threadsconnected.pm b/database/mysql/mode/threadsconnected.pm
index d0c4a7243..4189a35bf 100644
--- a/database/mysql/mode/threadsconnected.pm
+++ b/database/mysql/mode/threadsconnected.pm
@@ -84,15 +84,35 @@ sub manage_selection {
         $self->{output}->add_option_msg(short_msg => "MySQL version '" . $self->{sql}->{version} . "' is not supported (need version >= '5.x').");
         $self->{output}->option_exit();
     }
-    
-    $options{sql}->query(query => q{
-        SELECT 'max_connections' as name, @@GLOBAL.max_connections as value
-        UNION
-        SELECT VARIABLE_NAME as name, VARIABLE_VALUE as value fROM information_schema.GLOBAL_STATUS WHERE VARIABLE_NAME = 'Threads_connected'
-    });
+
     my $infos = {};
-    while (my ($name, $value) = $options{sql}->fetchrow_array()) {
-        $infos->{lc($name)} = $value;
+    if ($options{sql}->is_version_minimum(version => '5.7.6')) {
+         $options{sql}->query(query => q{
+            SELECT 'max_connections' as name, @@GLOBAL.max_connections as value
+            UNION
+            SELECT VARIABLE_NAME as name, VARIABLE_VALUE as value FROM performance_schema.global_status WHERE VARIABLE_NAME = 'Threads_connected'
+        });
+        while (my ($name, $value) = $options{sql}->fetchrow_array()) {
+            $infos->{lc($name)} = $value;
+        }
+    } elsif ($options{sql}->is_version_minimum(version => '5.1.12')) {
+        $options{sql}->query(query => q{
+            SELECT 'max_connections' as name, @@GLOBAL.max_connections as value
+            UNION
+            SELECT VARIABLE_NAME as name, VARIABLE_VALUE as value FROM information_schema.GLOBAL_STATUS WHERE VARIABLE_NAME = 'Threads_connected'
+        });
+        while (my ($name, $value) = $options{sql}->fetchrow_array()) {
+            $infos->{lc($name)} = $value;
+        }
+    } else {
+        $options{sql}->query(query => q{SELECT 'max_connections' as name, @@GLOBAL.max_connections as value});
+        if (my ($name, $value) = $options{sql}->fetchrow_array()) {
+            $infos->{lc($name)} = $value 
+        }
+        $options{sql}->query(query => q{SHOW /*!50000 global */ STATUS LIKE 'Threads_connected'});
+        if (my ($name, $value) = $options{sql}->fetchrow_array()) {
+            $infos->{lc($name)} = $value 
+        }
     }
 
     if (scalar(keys %$infos) == 0) {
diff --git a/database/mysql/plugin.pm b/database/mysql/plugin.pm
index fdd234d85..deb108a89 100644
--- a/database/mysql/plugin.pm
+++ b/database/mysql/plugin.pm
@@ -32,24 +32,25 @@ sub new {
 
     $self->{version} = '0.1';
     %{$self->{modes}} = (
-                         'connection-time'              => 'centreon::common::protocols::sql::mode::connectiontime',
-                         'databases-size'               => 'database::mysql::mode::databasessize',
-                         'innodb-bufferpool-hitrate'    => 'database::mysql::mode::innodbbufferpoolhitrate',
-                         'long-queries'                 => 'database::mysql::mode::longqueries',
-                         'myisam-keycache-hitrate'      => 'database::mysql::mode::myisamkeycachehitrate',
-                         'open-files'                   => 'database::mysql::mode::openfiles',
-                         'qcache-hitrate'               => 'database::mysql::mode::qcachehitrate',
-                         'queries'                      => 'database::mysql::mode::queries',
-                         'replication-master-slave'     => 'database::mysql::mode::replicationmasterslave',
-                         'replication-master-master'    => 'database::mysql::mode::replicationmastermaster',
-                         'slow-queries'                 => 'database::mysql::mode::slowqueries',
-                         'sql'                          => 'centreon::common::protocols::sql::mode::sql',
-                         'sql-string'                   => 'centreon::common::protocols::sql::mode::sqlstring',
-                         'tables-size'                  => 'database::mysql::mode::tablessize',
-                         'threads-connected'            => 'database::mysql::mode::threadsconnected',
-                         'uptime'                       => 'database::mysql::mode::uptime',
-                        );
-                         
+        'connection-time'              => 'centreon::common::protocols::sql::mode::connectiontime',
+        'databases-size'               => 'database::mysql::mode::databasessize',
+        'innodb-bufferpool-hitrate'    => 'database::mysql::mode::innodbbufferpoolhitrate',
+        'long-queries'                 => 'database::mysql::mode::longqueries',
+        'myisam-keycache-hitrate'      => 'database::mysql::mode::myisamkeycachehitrate',
+        'open-files'                   => 'database::mysql::mode::openfiles',
+        'qcache-hitrate'               => 'database::mysql::mode::qcachehitrate',
+        'queries'                      => 'database::mysql::mode::queries',
+        'replication-master-slave'     => 'database::mysql::mode::replicationmasterslave',
+        'replication-master-master'    => 'database::mysql::mode::replicationmastermaster',
+        'slow-queries'                 => 'database::mysql::mode::slowqueries',
+        'sql'                          => 'centreon::common::protocols::sql::mode::sql',
+        'sql-string'                   => 'centreon::common::protocols::sql::mode::sqlstring',
+        'tables-size'                  => 'database::mysql::mode::tablessize',
+        'threads-connected'            => 'database::mysql::mode::threadsconnected',
+        'uptime'                       => 'database::mysql::mode::uptime',
+    );
+
+    $self->{sql_modes}{dbi} = 'database::mysql::dbi';
     $self->{sql_modes}{mysqlcmd} = 'database::mysql::mysqlcmd';
 
     return $self;