IT/Software/Database Applications/mysql command line/mysqldump: Difference between revisions
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==Options== | ==Options== | ||
#You can do this from phpMyAdmin or other | #You can do this from phpMyAdmin or other GUI based apps. | ||
##See the Applications page for this. | ##See the Applications page for this. | ||
#You can perform the dump to various resources. | #You can perform the dump to various resources. | ||
Revision as of 18:24, 6 February 2020
Options
- You can do this from phpMyAdmin or other GUI based apps.
- See the Applications page for this.
- You can perform the dump to various resources.
- Dump to a text file.
- Dump to a zipped file
- Dump to another database
- Dump to another Database on another server
Dumping To a Remote Host
When running a mysql dump to a remote host directly over ssh the host database will be locked until the sync has finished. (Can be up to 5-10 minutes for lager databases)
The above problem can be easily circumvented by adding --quick and --single-transaction to the mysqldump command.
Tells mysql to only retrieve one row at a time.
--quick
Starts the transaction without locking the entire DB.
--single-transaction
Example dump:
mysqldump --verbose --quick --single-transaction -u<localDbUser> -p<localDbPassord> <localDbName> > /tmp/<dbName>.sql | ssh user@remote.host mysql -u<remoteDbUser> -p'<remoteDbPassword>' <remoteDbName>