diff --git a/API_SQLuedo/API/Service/QueryDataServiceApi.cs b/API_SQLuedo/API/Service/QueryDataServiceApi.cs
index d0a7883..e1a104e 100644
--- a/API_SQLuedo/API/Service/QueryDataServiceApi.cs
+++ b/API_SQLuedo/API/Service/QueryDataServiceApi.cs
@@ -103,10 +103,10 @@ public class QueryDataServiceApi : IQueryService<QueryDto>{
                             tableNames.Add(reader["table_name"].ToString());
                         }
 
-                        Dictionary<string, string> tablesDict = new Dictionary<string, string>();
+                        List<object> tablesDict = new List<object>();
                         foreach (string tableName in tableNames)
                         {
-                            tablesDict[tableName] = tableName;
+                            tablesDict.Add(new { TableName = tableName});
                         }
 
                         string tablesJson = JsonConvert.SerializeObject(tablesDict);
@@ -156,13 +156,13 @@ public class QueryDataServiceApi : IQueryService<QueryDto>{
                             columnsNames.Add(reader["column_name"].ToString());
                         }
 
-                        Dictionary<string, string> columnsDict = new Dictionary<string, string>();
+                       /*List<object> columnsDict = new List<object>();
                         foreach (string colName in columnsNames)
                         {
-                            columnsDict[colName] = colName;
-                        }
+                            columnsDict.Add(new { ColumnName = colName});
+                        }*/
 
-                        string tablesJson = JsonConvert.SerializeObject(columnsDict);
+                        string tablesJson = JsonConvert.SerializeObject(columnsNames);
 
                         Console.WriteLine(tablesJson);