mysqldump : MySQL's Standard Dump/Backup Utility

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MySQL: optimal configs / methods for ALTER of large MyISAM table to InnoDB (17gb+)

I have a large MySQL (5.1) MyISAM table (13gb table, 4GB indexes - 40mm+ records) I'm going to be converting this table to InnoDB in a production environment. The DB is on a cloud server with ...
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How do I dump only the data for all tables using mysqldump

I have a new database with schema and primary key, FK, index constraints created for all tables. How do I dump only the data from an existing database using mysqldump, so that I can import only the ...
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Where does the mysqldump command store the backed up databases?

Am trying to backup my databases through the terminal in Ubuntu using the mysqldump command and it's successful , but where does it place the backed up databases ?
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Dump of a mysql table on import replaced existing records

I took a dump using mysqldump.. mysqldump -u... -p... mydb t1 > mydb_table.sql Then I imported the dump in another database having same table, but different records.. mysql -u...-p... mydb < ...
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103 views

mysqldump not generating USE statement

I've got a small script which allows me to select a database, and a number of tables, then output them via mysqldump. Currently this does not include the USE 'db_name' statement in the output file, ...
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268 views

MySQL Dump all rountines except one

We want to export a large amount of tables and routines and we've do this often. Each database, table and routine should be dumped with one exception: a procedure with a specific name. So I was ...
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154 views

Translating backup size to database size

I have a client who gave me a 4 gig datafile from mysqldump that I need to restore somewhere. Is there a good rule of thumb for translating the size of a backup into the size of the database once it ...
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192 views

mysqldump, preserve update_time and modify_time attributes as listed by show table status from

Does mysqldump preserve the create_time and update_time attributes that are output by show table status from? If not, is there an option that does this? From the manual it looks like mysqldump ...
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Why max_allowed_packet is larger in mysqldump than mysqld in my.cnf?

If you look at the sample config such as /usr/share/mysql/my-large.cnf, you will find.. [mysqld] max_allowed_packet = 1M [mysqldump] max_allowed_packet = 16M What is the point? Because when you ...
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Safest way to perform mysqldump on a live system with active reads and writes?

I'm not sure if this is true but I remember reading if you run the following command in linux mysqldump -u username -p database_name > backup_db.sql while reads and writes are being made to a ...
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255 views

Incomplete MYSQL Dumps

I am using MySQL dump to back up my MySQL Databases and I'm having trouble with a couple dumps on one box. Server Specs Windows 2008 MySQL 5.1.48-community I've tried various ...
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mysqldump not escaping single quotes properly

I use mysqldump to backup my mysql database. The problem is that the sql file generated by mysqldump doesn't escapes single quotes properly. Here is an example of the mysqldump generated sql script : ...
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1answer
325 views

adding another table to existing MySQL replication scenario

I'm running a simple MySQL replication scenario MASTER ➙ BLACKHOLE ➙ SLAVE, replicating only a number of tables via replicate-do-table on BLACKHOLE and SLAVE. Now I would like to add several more ...
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1answer
487 views

Is there any risk associated with stopping mysqldump incomplete?

I started to backup 30GB table at wrong time and now I want to stop it because it is estimated to take 7.5hours. I used following command and options: mysqldump -u db -p user table --hex-blob | gzip> ...
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367 views

MySQL, import SQL dump with another database

I have an SQL dump of db1 that contains this line: "USE db1" If I import that file into db2 with: mysql -D db2 -uroot -p < /var/backups/db1.sql.gz Is there the risk that db1 will be overriden? ...
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Problem with View When Restoring a MySQL Backup

I have a database (InnoDB) with some tables, views and routines... Periodically I do a backup using the command line: mysqldump -u user -ppassword --routines db_name > backup.sql But I have a ...
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570 views

MySQL corruption even after full dump and re-import

We have a production issue where MySQL has started spitting InnoDB corrupt page errors and falling over. The error message seem to relate to indexes so I assume the data itself is ok and when I ...
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729 views

How to enable all the possible backup options of MySQL

I normally use MySQL Administrator to backup my database. I want to enable all the backup options for the available backup types in MySQL. I noticed that Binary Logging is not running on my PC. How to ...
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Mysql backup strategies?

We have a innodb mysql database so we are lost with lots of different mysql backup strategies. Some talk about mysqldump some talk about third part tools. Some of the tables we also plan to run ...
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1k views

What's the fastest way to replicate a MySQL database from one machine to another?

What's the fastest way to replicate a MySQL database from one machine to another? The two machines are connected via LAN. How to do it without mysqldump? If using mysqldump, is the fastest way $ ...
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How to convert a MySQL database to PostgreSQL?

Is there any command line tool for converting the MySQL database to PostgreSQL? I'd also like to know if there is a way to convert the database using the normal mysqldump command.
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482 views

How mysqldump replaces special characters during dumping records?

i am trying to dump a particular row using java. So that i retrieve the data by using record sets and i manually written sql script code by appending the dynamic records. But my problem is i could ...
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mysqldump reimport isnt working correct

I am trying to restore this database with my sql file I have...yet just get this output with it not importing anything into my db. Thoughts? [root@domU-12-31-39-0B-06-AA data]# mysqldump ...
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mysqldump: Error: 'Can't create/write to file

Can't create temporary files on /var/tmp. mysqldump: Error: 'Can't create/write to file '/var/tmp/mysql.k6NKGk/#sql_5dc_2.MAI' (Errcode: 2)' when trying to dump tablespaces On my OS. id mysql ...
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mysqldump fails to dump database

I m using following sql query for creating db backup mysqldump -u[username] -p[password] -h[hostname] [database] | gzip > [backup file path] This generates zipped .sql file in path specified but ...
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How should I migrate a large MySQL database to RDS?

I've already looked into this a little bit. I realize there are similar questions on Stack Overflow, and Amazon themselves have a helpful document giving advice here: ...
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mysql.proc keeps crashing, cannot do a mysqldump?

Due to some problems with InnoDB, I'm going to dump all databases to a new server: mysqldump -E -R --all-databases | pv -b | mysql -u root -p -h new.server The dump process stopped with ...
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How to do a mysqldump with a use database in the dump

So the command I normally use to get a database sent to another server is: mysqldump -u user -p --add-drop-tables database *file* But I always have to go into the file and add a line at the top: use ...
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MySQL dump restore - how to retain comments

So I have that complex MySQL dump as a backup. Unfortunately, that backup is complex and we use evil triggers. Some of our evil triggers had a comment lines starting with the # character. When I ...
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Is MySql locking table during backup and how to avoid?

I have a scheduled backup that runs daily in MySQL and I have noticed that during the backup a lot of queries that query a frequently used table seem to take forever to complete. This causes the ...
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MySQL : Does 'bytes_sent' and 'bytes_received' include mysqldump data?

I'm trying to estimate my db traffic not including backups (mysql 5.1.41). I use show global status; to get the parameters bytes_sent and bytes_received. Questions Do these numbers include ...
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Slow MySQL Database Import with mysqldump and USE .. SOURCE

I have about 12 tables in MySQL innoDB, one of them has 11 million records in it. I used this command to back things up: mysqldump -u [USERNAME] -p [DBNAME] | gzip > [/path_to_file/DBNAME].sql.gz ...
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How to detect a running mysqldump?

Here are the things I can't change: We got a mySQL myISAM replication running a master and some slaves. One slave is being used for nightly backups using mysqldump. The backups is using heavy locks ...
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Why is my MySQL dump file and my phpMyadmin export file different sizes?

I am looking to create a cron job to backup my MySQL database. I am using this command: $ mysqldump --user="User" --password="Password" -A --single-transaction > /home/user/Export-`date ...
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1answer
397 views

How can I restore a single record from a MySQL backup file?

Occasionally we have an issue where a record's previous data might get wiped while editing. We backup our database every night for issues like this, however sometimes I am not available to do a ...
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MySQL replication backup

How to take MySQL Master-Master and Master-Slave replication backup?. I have setup Master-Master replication with a separate slave for each master on Ubuntu. What happens if, I issue or schedule ...
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How export a database based in a primary key of a table?

So, I'm trying to export all the DB structure of my MySQL db. Attached is my DB structure, I have more then this, but I want these tables only. Basically Tools relate to Factsheets and Factsheets ...
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How to copy a MySQL database which is a mixture of InnoDB and MyISAM to the same server?

Because mysqldump takes forever, we decided to just move around the files. Because the 2 databases are on the same server, a cp will be fast. The problem is, from research, MyISAM is okay with being ...
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how to use a different tmp dir for INTO OUTFILE select with MySQL?

I am trying to dump a large table (40GB, 600,000 rows) using a SELECT ... INTO OUTFILE query. I want to use that because I want my results sorted in a particular way (so mysqldump is not good enough). ...
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Taking mysql dump from another machine

I have MySql db on Machine A , I have Mysql credentials. And accessing this MySQL from machine B which I have crdential's. But I couldn't take mysqldump from Machine B. Please help me. Both ae Linux ...
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Database table data transfer between different servers using bcp.exe and mysqldump

I have 2 servers, both are exact clones of another, one is PRODUCTION live use and the other is strictly for backend DATAENTRY. Using MSSQL on two different servers I am using the following command ...
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Creating dump file with use command

I am taking backup of 2 tables from different schema. I need to create the "use dbname" statement at the beginning of each table. mysqldump --databases company --tables loadme --databases new_company ...
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php/mysql database redesign and migration: changing databases to tables

I wrongly designed my application to have one database to each user. each user had 3 similar tables. I now want to have one database and 3 tables only; where i will use the database name in the old ...
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1answer
603 views

MySQLDump wrong dump

i'm trying to generate a dump from my database but when i try to load the dump file it gives me an error. What should i do ? My MySQL ( loader) version is mysql "Ver 14.14 Distrib 5.1.57, for ...
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Copying a database for testing in a safe way

For testing purposes I have to create a copy of a production MySQL database that cannot be touched. These are the steps I would follow: Create a reduced size database backup: mysqldump prodDB ...
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Database Files-Related Issue

I am using MySQL database and using Ubuntu linux machine. I noticed that my database, db_test, is under the path /var/lib/mysql/db_test There are files with the suffix .frm, .MYD, .MYI like the ...
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How does max_allowed_packet affect the backup and restore of a database?

I have a database based on mysql 5.0.75-0Ubuntu10.2, running under Ubuntu 9.04. I have a table in that database with a medium blob column. I have been using automysqlbackup to do nightly backups/dumps ...
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Exporting\Importing a large MySQL data without mysqldump

I'm attempting to export about 150GB of data from a database with hundreds of tables, and have found mysqldump to be very buggy. After running a simple --all-databases dump succeeds, but the import ...
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870 views

ERROR 1100 (HY000) at line 11084: Table 'search_index' was not locked with LOCK TABLES

I'm trying to import a mysqldump backup of a drupal database taken from a server running MySQL 5.0 (which will be upgraded to 5.5) onto my local machine running MySQL 5.5.23. The import fails with the ...
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Mysql 5.1.X How to upload data from dump file without the partitioning commands?

I need to upload data from a dump file (large one) that includes partitioning info into a database that doesn't support partitioning. How can I tell the mysql command line to ignore the partitioning ...