mysqldump : MySQL's Standard Dump/Backup Utility

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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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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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Repair with keycache in mysql runs EVERY time. Can't even log why it's happening

I have a MyISAM table w/ ~1million rows and two indexes - one's a three-column key, and the other is a spatial index for bounded SELECT statements on a separate point column. My insert statements ...
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2k views

Write lock during mysqldump even using --lock-tables=false

When I try to dump an online database using --lock-tables=false, others cannot update the table. Are there any methods to solve this? As I am using MyISAM, does --single-transaction for InnoDB help? ...
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Issue on mysqldump in MySQL5.6

I did upgrade the MySQL server from 5.5 to 5.6 I am trying to take dump for a table like this mysqldump -uroot -p dba admin > D:\admin.sql But it gets following error mysqldump: Couldn't ...
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What is the best way to recover from a mysql replication fail?

Today, the replication between our master mysql db server and the two replication servers dropped. I have a procedure here which was written a long time ago and i'm not sure it's the fastest method to ...
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699 views

Does mysqldump -all-databases include all objects

Does mysqldump -all-databases include all objects ? I have to migrate all databases to new server.
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How to take a database dump for selective set of values in few tables?

create table foo (id, val1, user_id,...) create table bar (id, foo_id, val2, ...) create table baz (id, bar_id, val3, ...) select * from foo where user_id = 1; select * from bar where id in (select ...
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Problem with mysqldump and view

When using mysqldump to backup MySQL, I got following error. mysqldump --all-databases --routines >> all.sql mysqldump: Couldn't execute 'show table status like 'hdkien'': SELECT command denied ...
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MySQL backup breakes a table every time

I've a MySQL Server 5.1.58-1ubuntu1 installed on an Ubuntu 12.04 LTS. Every night we do a backup of all the databases with this script: rm -rf /var/backup/mysql/ * for i in $(echo 'SHOW DATABASES;' ...
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Why does importing a MySQL dump cause so many I/O?

I imported 100 SQL-format dump files. The total size was 20 GB. The resulting .ibd files after the import had a total size of 40 GB. mysqld.exe wrote 1.1 TB and read 120 GB on the disk. Why so many ...
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936 views

How to copy MySQL Database from Linux to Windows?

I would like to copy a MySQL database form Linux to Windows, from a little research I found this url http://www.cyberciti.biz/tips/howto-copy-mysql-database-remote-server.html where the author says we ...
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85 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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704 views

mysql duplicate entry error 1062 when restoring backup

Sorry, I seen similar threads but I still couldn't find it addressing my issue plus, I needed some more info on this. Requirement: To create an exact replica 'db4' of an existing DB 'db3'. Procedure ...
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Upgrading mysql myisam 5.1 to mysql 5.6: force innodb on restore?

I inherited a DB using myisam on mysql 5.1 because of the need for fulltext search. I now read that fulltext search is available on mysql 5.6 innodb. Doing this would solve a lot of problems, as long ...
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47 views

mysqldump dump file size

I have used mysql-administrator to back up my mediawiki and bugzilla database. Now there is an issue with charsets I can't fix. So I deciced to try mysqldump with -single-transaction --routines ...
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Converting live MyISAM table to InnoDB

I have a table that tracks web traffic. The table is constantly written and read from. Since table is pretty big in size I have to make sure the application will not "freeze" in the process of ...
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177 views

Deadlock from mysqldump --single-transaction, is it possible?

Is it possible to get a deadlock if you ran mysqldump with the argument --single-transaction ? or any other complication ? If it is used to backup a live site with many other querys running at the ...
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MySQL data retained after OS reinstall

Something strange happened today. I reinstalled my OS and then when I reinstalled MySQL workbench some of my old data was still there. I think the actual local db is empty, but all the connections, ...
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69 views

Optimizing and maintaining test databases for a web development team

Right now when we test, we mysqldump from the production database, load it into the test database server, and then use scripts to scrub sensitive data. As the database is getting bigger, this process ...
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183 views

Export just rows modified in last month (date defined by user)

I'm asking if it's possible in MySQL to export just rows modified in a period of time for example in the past month, if it is possible, how?
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How we take dump with batch of records option?

we have 30 GB database.we want to take backup of this database. here the question is we want to take the backup batch of every 10k records. How we can take batch of records backup using mysqldump
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Is there a system wide way to change MariaDB to create tables using ROW_FORMAT = DYNAMIC

I've got a 700MB dump file from a mysql database that I was trying to undump into a new install of MariaDB and I got this error ERROR 1118 (42000) at line 7481: Row size too large (> 8126). ...
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Speeding up mysqldump / reload

Converting a large schema to file-per-table and I will be performing a mysqldump/reload with --all-databases. I have edited the my.cnf and changed "innod_flush_log_at_trx_commit=2" to speed up the ...
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737 views

passing --single-transaction in mysqldump command line tool

I'm using MySQL GUI tool to backup my innodb database and I use the option '--single-transaction' to get a consistent copy as backup. I have however, noticed that if I backup using command line ...
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234 views

ERROR 1034 (HY000) : Wrong aligned block, while importing in mysql

I got a SQLdump from my database and now I want to import it in to an other mysql server with same version(5.5.22-0ubuntu1) in ubuntu 12.04 .but at the middle of importing, it said: ERROR 1034 ...
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importing MySQL dump to SQL Server 2012

I have a database schema from MySQL which I want to import to SQL SERVER, I have tried dumping from MySQL with compatibility for SQL Server, but with no success. Tried dumping as Excel still no dice. ...
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How do I fix the definer problem The user specified as a definer ('fred'@'192.168.0.%') does not exist

I dumped an existing database from my web site into a new MySQL setup on my laptop. Everything works except pages that use a view, when the error message above appears. There is only one view on the ...
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164 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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208 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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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 doing some funny stuff

I am using linux platform. I also dump the data into a file and I restore into a server and I ran this command [root@localhost /]# mysqldump -u root -p fms < /device.sql The funny part it keep ...
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Mysql:Need to upload data to database, get duplicate key error - how can dup keys be ignored

I'm uploading data to a db (mysql 5.1.42) from a dump file using mysql command line and get duplicate key error. This is the format I use: /mnt/temp# mysql -u username -p -h url_of_db_master -D ...
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MySQL - Out of memory: Kill process 3046 (mysqld)

We run a MySQL (v5.6.17) dump backup every 4 hours, and today noticed: Apr 19 20:09:30 mysql1 kernel: Out of memory: Kill process 3046 (mysqld) score 970 or sacrifice child Apr 19 20:09:30 mysql1 ...
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“Display width out of range for column” error when importing mysql 5.1 dump into 5.5

I am migrating to a new server, and trying to move my database from a 5.1 to 5.5 server. I created a dump with mysqldump -u root -p --add-drop-database --triggers dbname > dbname.sql When I ...
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SQL Error while restoring big database in Mysql

I have successfully created a MYSQL dump on RHEL 6 machine. The dump file is having 40 GB. When I try to restore it in an UBUNTU machine I got this error.
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mysqldump with automatically generated export name

When I do database dumps through MySQL WorkBench it picks a filename for me which is the current date (YYYMMDD). Now, I want to do this in a batch file since I want to make weekly dumps automatically ...
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XML dump of MySQL database don't include foreign key constraints. What can be the reason? sqldump(.sql) file list it

I am accessing schema information of databases in XML format. I am taking dump of the database in XML format using the command below. mysqldump --no-data --xml -u root -p bakerydb > bakerydb.xml ...
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Issues with mysqldump after upgrade 5.5 -> 5.6

A few months ago I updated a MySQL setup from 5.5 to 5.6. Since then I've been having problems with a script that I use to dump the various databases so that I can back them up. The script is a short ...
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84 views

How can I backup/dump MYSQL database with foreign key constraints?

I wanted to take the dump of the MySQL database with all the constraints on that database. The dump (.sql file) I am having right now don't show any reference key(foreign key) relationship. I am ...
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restore using mysqlbinlog failing

While doing restore from a MySQL binary log file, it is failing with the following error . mysqlbinlog mysql-bin.000036 | mysql -u root -p asdb ERROR 1032 (HY000) at line 48: Can't find record in ...
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mysqldump hung indefinitely - locked tables - replication

I'm new to database programming. I had never written a simple SQL query before but recently I was asked to perform MySql DB replication for our redundant servers. It is a Linux server running as ...
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253 views

Incorrect definition of table mysql.event after migrating database to mariadb

I did a mysqldump to dump all databases into a .sql file, then installed a mariadb server. There are no errors after the installation. But after restoring the databases, I started to observe the ...
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Mysql replication dump without down time? empty sql file

I try to create dump as replication master data and use followed command to create dump, but sql file only contains paramters and there is no data and structure. The command is : mysqldump ...
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mysqldump: Got error: 0: when retrieving data from server

I get a the error in the header when the server tries to replicate itself after the backup completes. I have looked at error indexes, but failed to see an explanation for the error code 0. I was ...
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mysqldump & upload to mysql speed impact due to SSD and innoDb?

I am testing an AWS Medium Instance with CentOS (AWS AMI) and comparing it with Hetzner's EX40-SSD (http://www.hetzner.de/hosting/produkte_rootserver/ex40ssd). Software setup on both is comparable( ...
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taking backup of database on remote server gives error

I am currently on a Ubuntu machine (IP is 192.168.1.3) I have databases here I want to export all these databases to another machine in my network I used following command mysqldump --all-databases ...
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106 views

Restoring a single database from mysql enterprise full backup

I am having command to restore all databases from full dump taken by enterprise full backup .Can anyone help me how to restore single database from full dump .
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Accidentally I had deleted a database from production server working with MySQL

I have its backup as a full and an incremental backup took using enterprise backup. Is it possible to restore a specific database or else what should I do as an immediate action?
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49 views

synchronizing local and server database

I am developing a billing system software. For this I have created a database it contains many tables database and this is in local system all transactions data will be stored in local systems ...