How to convert decimal(16,4) to DATE or DATETIME in SQL or PHP

Question

I have a small problem with a field of my db... the submit time is in decimal(16,4) type and I need to convert it to DATE or DATETIME... but I dont get it...

One exa

Answer 1

Before going to insert the decimal u have to convert those decimal values into date format using this statements, echo strtotime(date('Y-m-d H:i:s',1334041225.5900));