Question

How can I select and concat every field in a row?

I want to do something similar to this:

SELECT concat(SELECT GROUP_CONCAT(COLUMN_NAME)
FROM INFORMATION_SCHEMA.COLUMNS
WHERE table_name = 'tbl_name')
as single FROM tbl_name

..but obviously the above doesn’t work. Any suggestions?

Answer 1

You will have the build the query dynamically, i.e. list all columns in concat(...) explicitly. You can do that on the client side by running two queries or in a stored procedure using a prepared statement.