Edit pic_id default value

sql/biodata.sql

@@ -3,7 +3,7 @@
 -- https://www.phpmyadmin.net/
 --
 -- Host: 127.0.0.1
--- Generation Time: Oct 24, 2018 at 06:23 AM
+-- Generation Time: Oct 25, 2018 at 09:47 AM
 -- Server version: 10.1.31-MariaDB
 -- PHP Version: 7.2.3
 
@@ -35,7 +35,7 @@ CREATE TABLE `biodata` (
   `email` varchar(255) NOT NULL,
   `address` text NOT NULL,
   `phone` varchar(255) NOT NULL,
-  `pic_id` int(11) NOT NULL DEFAULT '99'
+  `pic_id` int(11) DEFAULT NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
 
 --