diff --git a/db-example.sql b/db-example.sql
new file mode 100644
index 0000000..0751201
--- /dev/null
+++ b/db-example.sql
@@ -0,0 +1,70 @@
+-- phpMyAdmin SQL Dump
+-- version 4.5.4.1deb2ubuntu2.1
+-- http://www.phpmyadmin.net
+--
+-- Host: localhost
+-- Generation Time: May 11, 2020 at 03:17 PM
+-- Server version: 5.7.30-0ubuntu0.16.04.1
+-- PHP Version: 7.0.33-0ubuntu0.16.04.14
+
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+
+--
+-- Database: `demo`
+--
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `imsi`
+--
+
+CREATE TABLE `imsi` (
+  `id` int(11) NOT NULL,
+  `tmsi1` varchar(100) DEFAULT NULL,
+  `tmsi2` varchar(100) DEFAULT NULL,
+  `imsi` varchar(100) DEFAULT NULL,
+  `stamp` datetime DEFAULT NULL,
+  `deviceid` varchar(100) DEFAULT NULL,
+  `cell_id` varchar(225) DEFAULT NULL,
+  `lac` varchar(225) DEFAULT NULL,
+  `mcc` varchar(10) DEFAULT NULL,
+  `mnc` varchar(10) DEFAULT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+--
+-- Dumping data for table `imsi`
+--
+
+INSERT INTO `imsi` (`id`, `tmsi1`, `tmsi2`, `imsi`, `stamp`, `deviceid`, `cell_id`, `lac`, `mcc`, `mnc`) VALUES
+(4, NULL, NULL, '510 10 1552980000', '2020-05-11 15:00:18', 'rtl', '0000', '000', '510', '10'),
+
+--
+-- Indexes for dumped tables
+--
+
+--
+-- Indexes for table `imsi`
+--
+ALTER TABLE `imsi`
+  ADD PRIMARY KEY (`id`);
+
+--
+-- AUTO_INCREMENT for dumped tables
+--
+
+--
+-- AUTO_INCREMENT for table `imsi`
+--
+ALTER TABLE `imsi`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=9;
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;