MySQL Table suffix columns

mysql_table_suffix_columns.sql

alter table {name} 
  add column `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  add column `created_by` int(10) unsigned NOT NULL,
  add column `updated_at` timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
  add column `updated_by` int(10) unsigned DEFAULT NULL,
  /* add column `deleted_at` timestamp DEFAULT NULL, */
  /* add column `deleted_by` int(10) unsigned DEFAULT NULL, */
  add column `status` tinyint(3) unsigned NOT NULL;