Re: How to store part of a field value in another column in SQL
`oldColumn` violates the atomicity rule of database design.
Best to break that column into its component columns, and move the part values using the substring() func. If you need to display concatenations of those new values, do it in a view, or since version 5.7 as a derived column.
Edited 1 time(s). Last edit at 05/17/2016 08:20AM by Peter Brawley.
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Re: How to store part of a field value in another column in SQL
May 16, 2016 01:40PM
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