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I have always done this:
mysqldump -hlocalhost -uuser -ppass MYDATABASE > /home/f/db_backup/MYDATABASE.sql
mysql -uuser -ppass MYDATABASE < MYDATABASE.sql
But, if I do this instead…is this safe? Is this identical to the above???
mysqldump -hlocalhost -uuser -ppass MYDATABASE | gzip > /home/f/db_backup/MYDATABASE.sql.gz
zcat MYDATABASE.sql.gz | mysql -uuser -ppass MYDATABASE
That’s totally fine (and more efficient, of course!) Mysql doesn’t see any difference; both methods end up passing uncompressed SQL data.