Re: update a column with data from another column
It's a table not a database.
Read the manual page for Update. Given table mypubs with address column as you described ...
update mypubs
set country = trim(SUBSTRING_INDEX(SUBSTRING_INDEX(address, ',', 4), ',', -1));
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July 26, 2021 02:33PM
Re: update a column with data from another column
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