diff --git a/src/Server/Helper/DatabaseHelper.cs b/src/Server/Helper/DatabaseHelper.cs
index 66a031e..c86808f 100644
--- a/src/Server/Helper/DatabaseHelper.cs
+++ b/src/Server/Helper/DatabaseHelper.cs
@@ -1,4 +1,3 @@
-using System.Configuration;
 using System.Data.Common;
 using System.Text;
 using System.Text.Json;
@@ -72,6 +71,18 @@ public class DatabaseHelper(ILogger<DatabaseHelper> logger)
         return helper.ExecuteSQLCommandGetInsertedID("INSERT INTO attribute (attribute, value, id_entity) VALUES (@attribute, @value, @id_entity)", parameters);
     }
 
+    public static int DatabaseInsertAttributes(SQLHelper helper, List<(string attribute, string value, int id_entity)> values) //string[] attribute, string value, int id_entity)
+    {
+        return helper.BulkExecuteNonQuery(
+            "INSERT INTO attribute (attribute, value, id_entity) VALUES (@attribute, @value, @id_entity)",
+            values.Select(element => new object[] {
+                new MySqlParameter("@attribute", element.attribute),
+                new MySqlParameter("@value", element.value),
+                new MySqlParameter("@id_entity", element.id_entity)
+            })
+        );
+    }
+
     public static int DatabaseInsertDatapoint(SQLHelper helper, string name, ProbMethodEnum probmethod_embedding, SimilarityMethodEnum similarityMethod, string hash, int id_entity)
     {
         Dictionary<string, dynamic> parameters = new()
diff --git a/src/Server/Helper/SearchdomainHelper.cs b/src/Server/Helper/SearchdomainHelper.cs
index 0ea2ff9..0b307f0 100644
--- a/src/Server/Helper/SearchdomainHelper.cs
+++ b/src/Server/Helper/SearchdomainHelper.cs
@@ -245,10 +245,16 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
         else
         {
             int id_entity = DatabaseHelper.DatabaseInsertEntity(helper, jsonEntity.Name, jsonEntity.Probmethod, _databaseHelper.GetSearchdomainID(helper, jsonEntity.Searchdomain));
+            List<(string attribute, string value, int id_entity)> values = [];
             foreach (KeyValuePair<string, string> attribute in jsonEntity.Attributes)
             {
-                DatabaseHelper.DatabaseInsertAttribute(helper, attribute.Key, attribute.Value, id_entity); // TODO implement bulk insert to reduce number of queries
+                values.Add(new() {
+                    attribute = attribute.Key,
+                    value = attribute.Value,
+                    id_entity = id_entity
+                });
             }
+            DatabaseHelper.DatabaseInsertAttributes(helper, values);
 
             List<Datapoint> datapoints = [];
             foreach (JSONDatapoint jsonDatapoint in jsonEntity.Datapoints)