Having both a Created and Last Updated timestamp columns in MySQL 4.0

Question

I have the following table schema;

CREATE TABLE `db1`.`sms_queue` (
  `Id` INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
  `Message` VARCHAR(160) NOT NULL DEFAUL         


        

Answer 1

For mysql 5.7.21 I use the following and works fine:

CREATE TABLE Posts ( modified_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP )