diff --git a/backend/src/operations/Credentials.php b/backend/src/operations/Credentials.php
index 5664842..f90db0f 100644
--- a/backend/src/operations/Credentials.php
+++ b/backend/src/operations/Credentials.php
@@ -37,6 +37,8 @@ class Credentials
      */
     public function getCredentials(\Utils\PagingInfo &$pi, int $recordId) : array
     {
+        $this->db->beginTransaction();
+
         //Count elements
         if ($pi->pageSize === null) {
             $pi->totalPages = 1;
@@ -62,6 +64,8 @@ class Credentials
 
         $data = $query->fetchAll();
 
+        $this->db->commit();
+
         return array_map(function ($item) {
             $item['id'] = intval($item['id']);
             return $item;
diff --git a/backend/src/operations/Domains.php b/backend/src/operations/Domains.php
index 6306e48..e87a7cb 100644
--- a/backend/src/operations/Domains.php
+++ b/backend/src/operations/Domains.php
@@ -38,6 +38,8 @@ class Domains
      */
     public function getDomains(\Utils\PagingInfo &$pi, int $userId, ? string $query, ? string $sorting, ? string $type) : array
     {
+        $this->db->beginTransaction();
+
         $ac = new \Operations\AccessControl($this->c);
         $userIsAdmin = $ac->isAdmin($userId);
 
@@ -99,6 +101,8 @@ class Domains
 
         $data = $query->fetchAll();
 
+        $this->db->commit();
+
         return array_map(function ($item) {
             if ($item['type'] != 'SLAVE') {
                 unset($item['master']);
diff --git a/backend/src/operations/Permissions.php b/backend/src/operations/Permissions.php
index a57b9b8..c0b60d5 100644
--- a/backend/src/operations/Permissions.php
+++ b/backend/src/operations/Permissions.php
@@ -35,6 +35,8 @@ class Permissions
      */
     public function getPermissions(\Utils\PagingInfo &$pi, int $userId) : array
     {
+        $this->db->beginTransaction();
+
         //Count elements
         if ($pi->pageSize === null) {
             $pi->totalPages = 1;
@@ -63,6 +65,8 @@ class Permissions
 
         $data = $query->fetchAll();
 
+        $this->db->commit();
+
         return $data;
     }
 
diff --git a/backend/src/operations/Records.php b/backend/src/operations/Records.php
index 5e07fef..484a975 100644
--- a/backend/src/operations/Records.php
+++ b/backend/src/operations/Records.php
@@ -49,6 +49,8 @@ class Records
         ? string $queryContent,
         ? string $sort
     ) : array {
+        $this->db->beginTransaction();
+
         $ac = new \Operations\AccessControl($this->c);
         $userIsAdmin = $ac->isAdmin($userId);
 
@@ -119,6 +121,8 @@ class Records
 
         $data = $query->fetchAll();
 
+        $this->db->commit();
+
         return array_map(function ($item) {
             $item['id'] = intval($item['id']);
             $item['priority'] = intval($item['priority']);