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Showing entries 1 to 5

Displaying posts with tag: rename (reset)

Rename a MySQL database schema safely
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This example uses a backup to rename a database in the MySQL instance.
Vote for Maria’s new name
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Remember the idea behind renaming Maria, the storage engine? People regularly get confused with Maria the storage engine, and MariaDB the database. We got a whole lot of good names, and here’s a short-listed amount of names (short-listed by Monty Program employees down to about 15), and now its up to YOU to help us choose what the new name should be. Quick, go take the survey.

Voting ends on Friday, July 9, 2010, at 23:59UTC.

The winner will be announced on the first day of OSCON on July 19 2010. The winner walks away with a

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When the ALTER TABLE privilege is not enough to run ALTER TABLE
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I recently granted ALTER access in MySQL so a user could run the ALTER TABLE command . However after I granted the necessary privileges, the user was still not able to perform the tasks needed. Reproducing the issue using a test instance, I granted a test user the required privileges and MySQL reported no errors or warnings when the ALTER TABLE was run:

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 15
Server version: 5.1.41-log MySQL Community Server (GPL)

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> grant alter,create,insert on *.* to 'test'@localhost;
Query OK, 0 rows affected (0.00 sec)

mysql> show warnings;
Empty set (0.00 sec)

mysql> show errors;
Empty set (0.00 sec)

mysql>

The reason I


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MySQL InnoDB and table renaming don’t play well…
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At Days of Wonder we are huge fans of MySQL (http://www.mysql.com/) (and since about a year of the various Open Query, Percona, Google or other community patches), up to the point we’re using MySQL for about everything in production.

But since we moved to 5.0, back 3 years ago our production databases which hold our website and online game systems has a unique issue: the mysqld process uses more and more RAM, up to the point where the kernel OOM decide to kill the process.

You’d certainly think we are complete morons because we didn’t do anything in the last 3 years to fix the issue

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How to Rename a Copied or Cloned ASM Disk Group
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ASM is definitely one of the coolest technologies inside the Oracle Database. On the other hand, the ability of the storage arrays to provide a read/write access to a copy or a “snapshot” of its content is something we can easily leverage as an Oracle DBA. For a couple of weeks, I wanted to [...]
Showing entries 1 to 5

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