mysqldump : MySQL's Standard Dump/Backup Utility

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mysqldump replace option - ubuntu / mediawiki

I know this is probably a silly question, but I'd like to be sure, rather than make assumptions. There's the option to use 'replace' in a mysqldump, which uses the 'REPLACE' rather than the 'INSERT' ...
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24 views

mysqldump - select table in database only if it contains a specific string

(I'm new to Database Administrators, and am not a Database Administrator. However I originally asked this question on Stack Overflow (here) but didn't get any answers. Sorry if this is not the right ...
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21 views

mysqldump: Got error: 1066: Not unique table/alias

What usually causes this mysqldump error? exec error: Error: Command failed: mysqldump: Got error: 1066: Not unique table/alias: 'TableFoo' when doing LOCK TABLES
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22 views

Are there any good tools to convert mysqldump files to CSV?

I need to convert a file resulting from mysqldump into a csv file. I'm not willing to write my own ad hoc, informally-specified, bug-ridden, slow implementation of a sql parser to extract the values ...
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19 views

How to change the domain name or IP address in mysql database in every tables

I was using Openfire chat server in Ubuntu, whose IP address was 192.168.1.15. Then, I wanted to move it to other ip (192.168.1.55), so i took a backup of my database. The database I was using is ...
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46 views

mysql dump a table to remote host

i want to dump a table from localhost host (with public ip), here is the command so far, the command will be run on localhost mysqldump --opt --host localhost --user=username --password=password ...
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12 views

Granting file privilage for an user on amazon RDS(MySQL)

I am having an Amazon setup for my application and I use RDS server which runs MySQL server(Not done by me.Company got it done from some freelance admin). I have a root user created in there but it ...
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19 views

Mysql dump with View dependent on user

I use simple mysqldump with only parameters are login and db details. No option of anykind is set. Now, when I recieve the dump file, it export the view in steps (I am sure you all know it, but just ...
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45 views

Updating +150,000 rows using .sql file causes ERROR 2013 Lost connection to MySQL server during query

I am using ubuntu 12.04. I have a .sql file that is around 5 megabytes. When I use the command: mysql -u -p -v database query.sql The server prints out the content of the file (because of --verbose) ...
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35 views

mysqldump drop create use case sensitivity

Dumped sql from MySQL is showing inconsistencies in the name of the database. Using the following bog standard method to dump a database: mysqldump --add-drop-database -u someuser --databases ...
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102 views

mysqldump --single-transaction, yet update queries are waiting for the backup

If I use mysqldump --single-transaction, according to the docs it should do flush tables with read lock to get a consistent state and then start a transaction and no writers should be waiting. ...
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29 views

Point in time forward MySQL Dump

I have a MySQL table that stores a list of bookings that's made online. I need to have these bookings dumped to a CSV file which will then be picked up by a client server application through a SSH ...
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28 views

MySQLDump and Amazon RDS

I need to dump the contents of an RDS database into a SQL file, and restore that file to another RDS or MySQL instance. On the RDS instance there are a number of databases and users, and I would like ...
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37 views

Exporting Very Large Database from mysql 5.5

Before I proceed, I would like to confirm can I export a very large table of 3.6GB size using the MySQL Admin Export feature. I have exported tables of small size like 28 MB but just wondering ...
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29 views

Using mysqldump on RDS to export a large file in TSV format

I would like to export a single, large table (30GB) from an RDS MySQL server on a regular basis into a TSV file, so that we can load the file into Vertica. However, RDS doesn't provide a way to use ...
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37 views

Error while running automysqlbackup

I have setup automysqlbackup on Centos for a server with approximately 52 databases. I did try to increase the max_connections to 250 and max_allowed_packet to 100M, however that did not solve the ...
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1answer
25 views

Sync MySQL 4.0 table to MySQL 5.6 server every few minutes

I am tasked with getting a copy of a table on a MySQL 4.0 server synced to a completely different database on a MySQL 5.6 server every few minutes for the purposes of having that table available ...
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54 views

Options to include with mysqldump when taking backup of hybrid databases

I'm planning on taking backups of all MySQL databases on a remote production server. The combined database size is around 2 GB. Most of the tables are InnoDB ~1.8 GB and the rest are MyISAM. Now I've ...
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85 views

How can I mysqldump all databases except the mysql schema?

I want to backup all databases on mysql server. I want to exclude the mysql schema. How can I do that ?
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40 views

Why didn't MySQL keep the innodb_file_format after loading a mysqldump

I was loading a mysql dump today when I ran into ERROR 1118 (42000) at line 279: Row size too large (> 8126) Which I thought was weird because I know I had turned on row compression and was ...
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57 views

Restore mysql from database snapshot

I have a folder containing the snapshot taken from a database. They are all in the format organisation_product_tablename.sql. How can I restore them back into the database? EDIT 1: I managed to ...
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1answer
69 views

want to download 3GB database table from my development mysql server [duplicate]

I need to download database structure with data. Total size of the DB is more than 3GB. If i use phpmyadmin it is not working. I have also tried by increasing the execution time in php.ini. I need ...
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28 views

How would I exclude a group of tables based on a name prefix foo_* from a mysqldump?

I'd like to exclude a group of tables from a mysqldump command (from a bash script). I might not know the exact table names ahead of time but they will be named with the prefix foo_ or might contain ...
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144 views

Is it safe to use mysqldump to backup and restore a master-master cluster

Not sure if the specifics matter but just to get it out of the way I am talking about a Galera cluster on XtraDB (MariaDB). I have a master-master setup and am interested in backing up and restoring ...
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31 views

mysql logs same query multiple times or is it application problem?

I have temporarily switched on logging on the server. The site is used in the US and local time there was 4 in the morning so not many people are using it at that time. What I did was delete any logs ...
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71 views

Unable to migrate local database to RDS instance

I recently created an MySQL instance on Amazon RDS. Unfortunately, I'm not able to connect to the instance from the MySQL command line. I will brief you the details. 1) I want to move/migrate my ...
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45 views

Upgrade from mysql 4.1 to mysql 5.5

I was going through upgrade process of mysql server. It is mentioned that to upgrade from 4.1 to 5.5 we need to upgrade step by step like first to 5.0,5.1 ...5.4 and then 5.5. I have some questions : ...
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47 views

MYSQL backup options using mysqldump and mysqlbackup

I'm currently using mysqldump to backup mysql database. I heard that mysqlbackup offers a much much better performance. Unfortunately it requires MySQL enterprise version which is pricy. A few ...
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171 views

MySQL dump error (#1005 - Can't create table 'novephp_cz_bv.jos_jquarks_customsets' (errno: 150))

I´m trying dump mysql database from MySQL 5.1. to MySQL 5.5. But I´m getting an error "#1005 - Can't create table 'novephp_cz_bv.jos_jquarks_customsets' (errno: 150)". Problematic part of script is ...
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34 views

how to speed up cpu limited mysql database backup

I have a database that has a structure that unfortunately requires having a lot of tables (10k+). It's not possible to change the structure now. The database itself is not very large (<1GB), but ...
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1answer
97 views

Consolidated realtime mysql backup with master/slave setup or binlog

I have 20+ mysql servers and their have low write requirements. So, I want to see if any way I can replicate the data/binlog from these servers to a single slave so realtime backup purpose. If I ...
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25 views

Consistent backup of large DB --single-transaction

I need to mysqldump a large DB (330 GB) in order to set up a slave for replication. Does --single-transaction allow me to dump the entire DB without shutting mysql down and keeping it down for the ...
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216 views

Why would the size of MySQL MyISAM table indexes (aka MYI file) not match after mysqldump import?

I've been archiving some MySQL (version 5.0.96) MyISAM tables locally and deleting from my server after checking the data. Every time the process has been pretty similar and comes off mostly without a ...
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42 views

Error generating mysqldump with flush tables read lock option

I wrote a simple bash script that generates mysqldump while locking the tables. # Generate mysqldump that will be used on client side Q1="USE test;" Q2="FLUSH TABLES WITH READ LOCK;" Q3="SYSTEM ...
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186 views

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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154 views

“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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1answer
852 views

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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23 views

mysqldump: dump several tables from db. what will be locked?

I have active database with dozens of tables. Among them several are unused (no queries/insertions are performing over them for a while). I want to dump that inactive tables. I would suggest that it ...
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37 views

Make MySQL dump from parts of each table

I need to export some data from different tables. I tried this query select * into outfile 'C:\Users\\User\\Desktop\\ololo.sql' from db.users where id % 2 = 1; After this query, the SQL file was ...
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29 views

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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99 views

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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411 views

mysqldump: Does --lock-tables=false work with MyISAM tables?

So, I have to check and come with a backup solution for a very busy mysql server (with tables over 5 GB). Due to resources constraints, they choose to set all tables with the MyISAM engine. Currently, ...
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3answers
50 views

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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3answers
366 views

Verify mysqldump backup is corruption free

We've got a cron task backing up our Database using mysqldump - my main concern is corruption, short of manually importing and checking the backups each time whats the best way to check / verify a ...
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872 views

Extremely slow mySql restores

Please bear with me as I ask this question, which looks similar to questions already on DBA@SE. In the current configuration, we have a server (a Linux quadcore box with 4 GB RAM) - Both the Database ...
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35 views

mysqldump confusion

I must be missing something. The line I keep seeing everywhere for a consistent backup is: mysqldump --single-transaction --all-databases > alldbs.sql Yet the MySQL docs indicate --opt is on by ...
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124 views

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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358 views

Getting 0KB of size file while backup mysql database using mysql dump

I am using below code to backup my database using php script but I am getting 0KB size file. How can I backup my full database with all routines and functions? $dbhost = 'localhost'; $dbuser = ...
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86 views

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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445 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 ...