How can I get Mysqldump from all databases?
To create a backup of all MySQL server databases, run the following command:
- mysqldump –user root –password –all-databases > all-databases.sql.
- mysql –user root –password mysql < all-databases.sql.
- mysql –user root –password [db_name] < [db_name].sql.
- select @@datadir;
What is the difference between Mysqldump and Mysqlpump?
mysqlpump is the 4th fastest followed closer by mydumper when using gzip. mysqldump is the classic old-school style to perform dumps and is the slowest of the four tools. In a server with more CPUs, the potential parallelism increases, giving even more advantage to the tools that can benefit from multiple threads.
Is Mysqldump consistent?
mysqldump is used to take logical backup of the database or multiple database. –single-transaction uses a consistent read and guarantees that data seen by mysqldump does not change. –single-transaction – for InnoDB tables is used for taking consistent backup with mysqldump after changes present in log bin.
How do I dump multiple databases in MySQL?
To backup multiple MySQL databases with one command you need to use the –database option followed by the list of databases you want to backup. Each database name must be separated by space. The command above will create a dump file containing both databases.
How do I export all databases?
Export
- Connect to your database using phpMyAdmin.
- From the left-side, select your database.
- Click the Export tab at the top of the panel.
- Select the Custom option.
- You can select the file format for your database.
- Click Select All in the Export box to choose to export all tables.
How do I dump all databases?
To dump entire databases, do not name any tables following db_name , or use the –databases or –all-databases option. To see a list of the options your version of mysqldump supports, issue the command mysqldump –help .
How many types of backups are there in MySQL?
three
Microsoft SQL Server allows three basic types of SQL Server backup: Full backup. Differential backup. Transaction log backup.
What is Mysqlpump?
The mysqlpump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table data. It dumps one or more MySQL databases for backup or transfer to another SQL server.
What is — single transaction in Mysqldump?
The –single-transaction flag will start a transaction before running. Rather than lock the entire database, this will let mysqldump read the database in the current state at the time of the transaction, making for a consistent data dump.
What is single transaction in Mysqldump?
–single-transaction is used by default with Mysqldump command by the software. –single-transaction is required to attain consistent backups of InnoDB tables without locking. For consistent backups of MYISAM engines or MYISAM+INNODB mix tables, we should lock tables before taking dump.
How do I export an entire MySQL database?
Confirm that SQL is selected under format. Click “Go”. Type the file name and select the directory where your exported database is to be saved in the ‘Save File’ dialogue box on your local computer. Click “Save” and the process of exporting will start.
What is percona XtraBackup?
Percona XtraBackup is an open-source hot backup utility for MySQL – based servers that doesn’t lock your database during the backup. It can back up data from InnoDB, XtraDB, and MyISAM tables on MySQL 5.1 [1], 5.5 and 5.6 servers, as well as Percona Server with XtraDB.
How do I use Mysqlimport?
Invoke mysqlimport like this: shell> mysqlimport [options] db_name textfile1 [textfile2 …] For each text file named on the command line, mysqlimport strips any extension from the file name and uses the result to determine the name of the table into which to import the file’s contents.
Does Mysqldump backup stored procedures?
mysqldump will backup by default all the triggers but NOT the stored procedures/functions.
What is Mysqldump in MySQL?
4 mysqldump — A Database Backup Program. The mysqldump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table data. It dumps one or more MySQL databases for backup or transfer to another SQL server.
Does Mysqldump lock database?
By default, the mysqldump utility, which allows to back a MySQL database, will perform a lock on all tables until the backup is complete. In many cases, the amount of data in the database and the uptime requirements will not allow this lock in real life.
How to create a dump file from one MySQL database to another?
Instead of creating a dump file from one database and then import the backup into another MySQL database you can use the following one-liner: mysqldump -u root -p database_name | mysql -h remote_host -u root -p remote_database_name
What is a mysqldump file?
The backup files created by the mysqldump utility are basically a set of SQL statements that can be used to recreate the original database. The mysqldump command can also generate files in CSV and XML format. You can also use the mysqldump utility to transfer your MySQL database to another MySQL server.
How to backup a MySQL database to a separate file?
The mysqldump utility doesn’t provide an option to backup all databases to separate files but we easily achieve that with a simple bash FOR loop : The command above will create a separate dump file for each database using the database name as the filename. If the database size is very large it is a good idea to compress the output.
How to backup large datasets using mysqldump?
Double-click the “ sakila 20200424.sql ” file in the backup directory. The backup file, as seen in the image above, contains the numerous T-SQL statements that can be used to recreate the objects. In this section, you will learn different methods that you can use to backup large datasets using mysqldump.