Changing a field's data in every record

	I’ve been asked to post a question here for a friend.

	Is there a formula to change the format of the data in a single field in every record of a table?  She has a "timestamp” in a text field formatted as 2017|02|16|04|58|42 and she wants to convert it to a more human readable format like  2017-02-16 @ 04:58:42

	How does one "grab" the existing data and then change it?  Can this be done solely in MySQL, or will she have to grab the data and then manipulate it in PHP or something?

Thanks,
Marc
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