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When to use alter database statement in mysqldump?
mysqldump output can include ALTER DATABASE statements that change the database collation. These may be used when dumping stored programs to preserve their character encodings. To reload a dump file containing such statements, the ALTER privilege for the affected database is required.
How does mysqldump retrieve and dump table contents?
mysqldump can retrieve and dump table contents row by row, or it can retrieve the entire content from a table and buffer it in memory before dumping it. Buffering in memory can be a problem if you are dumping large tables.
How to dump all databases in MySQL [ options ]?
shell> mysqldump [options] –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.
What are the advantages and disadvantages of mysqldump?
mysqldump advantages include the convenience and flexibility of viewing or even editing the output before restoring. You can clone databases for development and DBA work, or produce slight variations of an existing database for testing.
What can I do with the mysqldump command?
The mysqldump command can also generate output in CSV, other delimited text, or XML format. mysqldump requires at least the SELECT privilege for dumped tables, SHOW VIEW for dumped views, TRIGGER for dumped triggers, and LOCK TABLES if the –single-transaction option is not used.
How to get most recent MySQL dump tool?
It is recommended you upgrade your local MySQL client programs, including mysqldump, to a version equal to or newer than that of the target server. The path to the dump tool must then be set in Preferences -> Administrator -> Path to mysqldump Tool:
Which is the default character set in mysqldump?
Use charset_name as the default character set. If no character set is specified, mysqldump uses utf8, and earlier versions use latin1. Turns off the –set-charset setting, the same as specifying –skip-set-charset. Add SET NAMES default_character_set to the output. This option is enabled by default.
What kind of output can I get from mysqldump?
The mysqldump command can also generate output in CSV, other delimited text, or XML format.
How to dump entire databases in MySQL 8.0?
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 does mysqldump dump table row by row?
mysqldump can retrieve and dump table contents row by row, or it can retrieve the entire content from a table and buffer it in memory before dumping it. Buffering in memory can be a problem if you are dumping large tables. To dump tables row by row, use the –quick option (or –opt, which enables –quick).