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MySQL: Remove line breaks before CSV export

Tip by Axuter | 09/02/2012 at 16:19

If you want to export the data from a MySQL table to a CSV file, often line breaks are making trouble. Because newlines are interpreted as the end of a row within the CSV file, we can quickly destroy the export data.

UPDATE tab SET col = replace(col, CHAR(13,10), '');

This brief MySQL command brings everything in order. It replaces in the column "col" of the table "tab" all line breaks with nothing, so that in other words, all line breaks will be deleted from this column.

Because under circumstances, with this command, non-contiguous words may be joined (if they were previously only separated with a line break), you can also replace with ' ' alternatively. Sometimes, it would even be a good idea to replace with a wildcard character, so that the line breaks can be restored later.

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