diff --git a/src/Database/Prototype/migrate-old-data.sql b/src/Database/Prototype/migrate-old-data.sql
new file mode 100644
index 00000000..c95e6b13
--- /dev/null
+++ b/src/Database/Prototype/migrate-old-data.sql
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+-- Author: DENIS PROKHORCHIK
+-- Date: 06/01/2022
+
+-- Create temp table of Certificates
+CREATE TABLE #TempCertificates
+(
+    Id UNIQUEIDENTIFIER,
+    added_date bigint
+);
+
+-- Create temp table of Users
+CREATE TABLE #TempUsers
+(
+    Id UNIQUEIDENTIFIER
+)
+
+-- Select a data of old Certificate table
+USE [O2Bionics.O2Platform.CertificateDB]
+SELECT * FROM O2CCertificate
+
+-- Select a data of old Users table
+USE [O2Bionics.O2Platform.IdentityDb]
+SELECT * FROM AspNetUsers
+
+-- Merge tables
+
+-- Export file to JSON format
+
+
+
+
+
+
+-- USE [O2Bionics.O2Platform.CertificateDB]
+-- SELECT * FROM O2CCertificate
+-- FOR JSON PATH
+
+-- USE [O2Bionics.O2Platform.IdentityDb]
+-- SELECT * FROM AspNetUsers
+
+-- select * from Photos
+
+
+
+
+