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I have more than 300 columns in around 60 tables. Updating each column to a default value of '0' manually makes no sense. Is there a procedure that can change the default value for columns, currently 'NULL', in one table to a default value of '0' for each column in a table? repeating this task 60 times is not such a big deal since it will be done once and for all.

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Since my column titles were programatically generated, I was able to regenerate all the column titles and therefore use that to generate MySQL statements to alter each of the columns.

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This is not a feature of phpMyAdmin.

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alright, is it possible with MySQL statements? :) looking for a solution here
The ALTER TABLE statement requires to specify the column so you would have to issue one such statement per column. Unless you can programm atically generate those statements.
good thing I have the columns programmatically generated, so I can regenerate their titles again and with that generate a SQL statement that updates each column. Tried and it worked perfectly

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