A locked mysql database works faster.
If you use mysqldump to backup, it's locked by default. That can be
changed with arguments though.
If you use something like a PHP loop to export every table on it's own,
the risk is that one table is written to while the PHP script is
exporting another, thus leaving you with un-synced data.
That might not be a risk, depending on what your database structure is...
Mike
Gustav Wiberg skrev:
Hi there!
Is it neccessary to lock-tables when backing up MySQL-databases? Why?
Best regards
/Gustav
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