Does Mysqldump drop table?

Does Mysqldump drop table?

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 ).

Can I restore a single table from a full MySQL Mysqldump file?

Use the sed command on your bash shell to separate the data of the table that you want to restore. For example, if we want to restore only the “film_actor” table to “sakila” database we execute the script below.

Does Mysqldump include stored procedures?

mysqldump will backup by default all the triggers but NOT the stored procedures/functions.

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.

How do I restore a specific table in MySQL?

How to Restore a MySQL Database with Command Line or Restore Tools

1. Use the mysql command to restore a database from the command line.
2. Restore all databases in MySQL from the dump file using mysqldump.
3. Use mysqldump to restore one table from the dump file.
4. Restore a MySQL database from the .sql file using Workbench.

What is triggers in Mysqldump?

A trigger is a SQL procedure that initiates an action on an event (Like INSERT, DELETE or UPDATE) occurs. ADVERTISEMENT. When we simply execute mysqldump, It automatically takes backup of triggers but it will not backup stored procedures by default.

Where is Mysqldump on Mac?

It is usually located in /Applications/MAMP/Library/bin/mysqldump.

How do I drop a database in MySQL?

To do delete a database you need the command ‘DROP DATABASE’. The syntax is similar to creating a database. ‘DROP DATABASE ;’, where is the name of the database you want to delete. The mysql-console is not very helpful here.

How do I restore multiple databases in MySQL?

Does mysqldump dump InnoDB create tablespace statements?

mysqldump does not dump InnoDB CREATE TABLESPACE statements. mysqldump does not dump the NDB Cluster ndbinfo information database. mysqldump includes statements to recreate the general_log and slow_query_log tables for dumps of the mysql database.

How do I use mysqldump?

There are in general three ways to use mysqldump —in order to dump a set of one or more tables, a set of one or more complete databases, or an entire MySQL server—as shown here: To dump entire databases, do not name any tables following db_name, or use the –databases or –all-databases option.

How do I dump a table in MySQL?

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).

How to remove lock and unlock commands in MySQL?

mysqldump […] | grep -v “LOCK TABLE” | mysql […] It will exclude both LOCK TABLE and UNLOCK TABLES commands. Note: Hopefully your data doesn’t contain that string in it!