mysqldump : MySQL's Standard Dump/Backup Utility

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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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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 issues with DreamHost

Background: I sought to rename a database on Dreamhost web hosting VPS account. I also wanted to rename a database user for the database to be created above. I followed the approached detailed at ...
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Moving large databases

I have a centos server and /var/lib/mysql/ is 125GB (disk has 1GB free space). Ordinarily I would use mysqldump to backup the databases, but I don't normally work with such large databases, so I need ...
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How do I safely import MySQL data in a directory to a running MariaDB server?

We're integrating another office into ours. That includes some of their data. I have a new installed MariaDB 5.5 server. The data dir = /home/data/MariaDB. I've done a new/fresh install into that ...
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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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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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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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314 views

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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796 views

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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Fixing MyISAM database without losing data

My old server was crashed but I was able to recover the databases from MySQL through testdrive. I'm trying to dump a database using mysqldump but it gives error for certain tables are crashed and ...
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How can i make dump of big mysql table? [closed]

I have server with db(36Gb data), only mysql access. When i'm trying to use mysqldump utility, i get connection timeout(or something like this). I doesn't have ssh access for copy /var/mysql/data. ...
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45 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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722 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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Database user specified as a definer

I have a view in my database. problem is below Error SQL query: SELECT * FROM `lumiin_crm_prod`.`v_contact` LIMIT 1 ; MySQL said: 1449 - The user specified as a definer ('lumicrm'@'%') ...
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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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226 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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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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22 views

Why does mysqldump require drop command?

I am trying to backup a large table and after reading various other answers on this site have tried mysqldump --user=user --password=password dbname1 tablename | mysql --user=user --password=password ...
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understanding mysqldump auto-backup performance issues and inner functionality

Is there a performance issue, if I run a cronjob in background with mysqldump --single-transaction with a 60 seconds interval? Will my original database keep functioning without an issue while the ...
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Backup a huge database 200gb+

i have a mysql database where i need to take a backup of the log database. the problem is the log database i over 200gb and contains over 280 millions of rows, i need right now to remove a kind of ...
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How to run a mysqldump from a .txt or .sql file inside a command line window?

If I run the follow line directly in command line window it will works good. C:\xampp\mysql\bin>mysqldump -u root d3bi>C:\Users\me\Desktop\test\testDump.sql How can I run a .txt or .sql file ...
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Import lots of mysqldumps with missing CREATE DATABASE

I have a bunch of mysqldumps of my old server with one database each. Unfortunately we forgot to add CREATE DATABASE ... in all those dumps. How can I import those files in one batch?
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Get list of excluded databases from command line by asking user

Based on this I'm working on this bash script for export all databases from MySQL but exlude some ones and also system ones. This is how it looks like: read -e -p "Enter MySQL root user: " -i "root" ...
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22 views

Mysql events table

I am trying to create a script to backup all mysql databases. This is the command that I am trying : sudo mysqldump -u user -ppassword --all-databases > /tmp/all-database.sql And this is the ...
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mysqldmup with data only

Is there a way to backup data using mysqldump --no-create-info ... where the inserts in the backup file will look like this: insert into t1(col1, col2)values(val1,val2); instead of insert into t1 ...
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how do i print a record coming from joinig query as follows in mysql [closed]

tbl_A --------------- | a_id | a_name | |------|--------| | 1 | john | | 2 | paul | | 3 | joy | --------------- tbl_B --------------- | a_id | b_name | |------|--------| | 1 | ...
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87 views

Copy database from one mysql sever to another mysql server

Following are the details of the database and server: Server1: Host Name: abc Port Num: 01 database: test Server2: Host Name: xyz Port Num 02 database: spareparts userid: spts password: abcdefgh@123 ...
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362 views

How to upload 1.5GB sql file on mysql?

Whenever I tried to import file in MySql on my Linux Mint system, "You probably tried to upload a file that is too large. Please refer to documentation for a workaround for this limit." this message ...
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53 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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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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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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125 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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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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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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276 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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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 ...
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427 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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118 views

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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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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568 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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740 views

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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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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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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108 views

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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472 views

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 ...