mysqldump : MySQL's Standard Dump/Backup Utility

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DROP PROCEDURE IF EXISTS not included in mysqldump

I'm dumping my stored procedures only using the following command: mysqldump --routines --no-create-info --no-data --no-create-db --skip-opt databasename -u username -p > outputfile.sql but the ...
3
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1answer
222 views

Backing up a 400-500 GB database on MySQL/Amazon RDS?

We have an Amazon RDS small instance for a MySQL datawarehousing database. Database size will be around 400-500 GB very shortly. What is the best way to backup our database? Can it be done ...
3
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1answer
236 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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2answers
645 views

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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2answers
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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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4answers
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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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1answer
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MySql - ERROR 1071 Specified key was too long; max key length is 1000 bytes while restoring dump

while trying to restore a MySql Dump, i get the following error: ERROR 1071 (42000) at line 25: Specified key was too long; max key length is 1000 bytes any ideas?
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mysqldump vs LOAD DATA INFILE

Why would you ever use mysqldump to repopulate a table over load data infile? Here's the back story to my question. We had a table that was incorrectly partitioned. It was supposed to be ...
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1answer
201 views

how to verify mysql backup file

Is There any tool to verify the backup taken using mysqldump without manual restoration ? I have to take full backup daily so it is difficult for me to verify the backups daily by restoring them. As ...
3
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1answer
559 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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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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1answer
487 views

Load different date formats in mysql

I have a date field in my datafile which I am trying to load in MySQL, but the date field is in dd-mon-yy format and MySQL only understands YYYY-MM-DD. Is there a way by which I can load DD-MON-YY ...
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2answers
319 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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1answer
168 views

How to change the create and use statement in a large sql file without opening it

I need a way to change the schema name which appears in create statement and use statement of mysql dump file. The goal is having the database restored with a different database name on another ...
2
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1answer
62 views

Which are the minimum privileges required to get a backup of a MySQL database schema?

Which are the minimum privileges required to get a backup of a MySQL database schema? I am interested only on the schema, not on the data. Are SELECT privileges required?
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76 views

Backup everything except one record

I want to backup my database except t1 table's one record (where option='siteurl'). I'm trying mysqldump's --where command. mysqldump -u root --skip-extended-insert --where "option='siteurl'" ...
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1answer
430 views

mysql works, mysqldump doesn't

I have mysql 5.5 on my ubuntu 12.04 server. This command: mysql -u root -p works perfectly, but this gives me error: mysqldump -u root -p mydb_name > a.sql mysqldump: Got error: 2002: Can't ...
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1answer
429 views

How can I determine the size of a dump file prior to dumping?

How can I determine or estimate the size of the SQL dump file prior to using something like mysqldump?
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2answers
201 views

How does mysqldump take place when there are more than one database?

I'm writing a shell script wherein I'm doing a mysqldump of all databases. My questions are: Are the tables of all databases in the server locked during the mysqldump? If I have to do an ...
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1answer
342 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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1answer
2k views

How do I show warnings when loading data created from mysqldump?

I've got a large .sql file with large insert into ... values ... statements. Many of these statements are generating warnings during execution. How can I get mysql to print the warnings? If it hit ...
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1answer
3k views

Can mysqldump dump triggers and procedures?

Is there any way of making a mysqldump which will save all the triggers and procedures from a specified db? Some time ago I read that mysqldump will also save my triggers, but it doesn't look like ...
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2answers
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Different MySQL Datafile Sizes After Restoration

I'm quite new in database administration. The database architecture of my current company is master-slave replication. We are using MySQL version 5.0.86. Some weeks ago, we upgraded the company's ...
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1answer
359 views

MySQL backup InnoDB

I have a VoIP server running 24x7. At low peak hour at lease 150+ users are connected. My server has MySQL running with InnoDB engine on Windows 2008 platform. I like to take at least 2 times full ...
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1answer
246 views

MySQL Dump/Import progress on Windows

I'm going to dump a considerable big datatabase (7gb) from a MySQL 5.1 instance running on Windows into a .sql script and import it into a MySQL 5.5 instance, also on Windows (another machine). I'd ...
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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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873 views

How to speed up a loading data into MySQL from a zipped archive

I dumped a large database to an archive with: mysqldump --compress --max_allowed_packet=500M -h myhost mydb | gzip > /tmp/mydb.sql.gz This took about 10 minutes to run, and generated a file ...
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1answer
1k views

Can I mysqldump an entire database while using where='condition' on individual tables?

I have used mysqldump to dump an entire database, However, when I want to use --where=condition", on individual tables, I have dumped individual tables mysqldump --where='condition' mydb table ...
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2answers
322 views

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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2answers
147 views

mysqldump seems to copy excessively

I have an old_server with 50 databases. I want to create new_server with just 3 databases. When I try using mysqldump, it seems like all the database directories (although they are empty on ...
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1answer
1k views

mysql db backup excluding specific tables

Are there any mysql scripts for taking a database backup by excluding specified tables? Also, what is the best way to take backup of a running mysql system?
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536 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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2answers
651 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 - LOAD DATA INFILE - Handling unescaped NULL in INFILE or creating INFILE with escaped NULL

I am selecting data from a database on server A, dumping the output into a file locally, and then doing a LOAD DATA INFILE on my local database. The bash command looks something like this: mysql -e ...
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3answers
68 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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2answers
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Error while restoring a Database from an SQL dump

I am extremely new to MySQL and am running it on Windows. I am trying to restore a Database from a dumpfile in MySQL, but I get the following error: $ >mysql -u root -p -h localhost -D database ...
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1answer
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Table optimize command crashed MySQL server

I have a large 5GB table on one of my MySQL databases that I wanted to optimize. I went into the console and ran the optimize command and since it's an InnoDB database it cloned the table to a ...
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2answers
328 views

Tool to export data with all relational data?

Is there a tool to export data from selected rows in a table with all data stored in other tables in other tables linked by relational design? The purpose is to ease migrations of bits of data ...
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1answer
150 views

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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1answer
354 views

How to prevent high memory, CPU and time consumption by MySQL restore?

I have a local test machine with 2 GB RAM and a dual core processor. I imported a dump on that using mysql -uuser -psecret < script.sql script.sql is a 700 MB file which contains a single ...
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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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2answers
119 views

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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1answer
2k views

When are we supposed to set default-character-set for the client?

I'm trying to understand when I'm supposed to set/force default-character-set for the client. The documentation states: You can force client programs to use specific character set as follows: ...
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1answer
700 views

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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1answer
350 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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1answer
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importing myisam 5.0 database into a 5.5 innodb server

I have MySQL 5.0 and 5.5 servers (but not a 5.1 server). The 5.0 server is myisam only, the 5.5 default is innodb. I need to move a database from the 5.0 server to the 5.5 server. The database is ...
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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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How can I synchronize data between two RDS MySQL databases

I have 2 Amazon RDS MySQL instances, one is MySql v5.5 and the new one is 5.6. I want to upgrade the 5.5 to the 5.6 but you cannot do upgrades at this time, so we are trying to migrate the data. I ...
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Where Mysqldump gets data from

How mysqldump is processing backup? From which all files is it reads data for creating dump? Is the process differs if storage engines are different?
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Backup / Export data from MySQL 5.5 attachments table keeps failing!

Can anyone please help! - I have a large table in a MySQL 5.5 database. It is a table which holds a mixture of blobs/binary data and just data rows with links to file paths. It has just over a million ...