(Xaprb) Suppose you have a master-master replication setup, and you know one of the tables has the wrong data. How do you re-sync it with the other server?
Tag: Open Source
Observing the MySQL Query Log
(Martin Brotzeller) Debugging an existing application can be hard to bootstrap. Sometimes it just helps to observe the queries a web application is sending to the database. Unfortunately, the MySQL Query log does not directly tell the user which query goes to which database.
New Features for PostgreSQL Stored Functions
(Leo Hsu and Regina Obe) PostgreSQL 8.3 introduced a couple of new features that improves the processing of functions and makes plpgsql functions easier to write. These are as follows:
Comparing 32-bit/64-bit MySQL on OpenSolaris
(Martin MC Brown) I’ve been working with the folks working on OpenSolaris for a few months now providing advice and input on getting MySQL and the connectors (C/ODBC and C/J) installed as a standard component. Having got the basics in, the team are now looking at adding both 32-bit and 64-bit packag
Clustered indexing and query performance
(dbscience) Last time I showed where partitioning could negatively impact performance, with one partitioned query being four times slower than a non-partitioned one when the data was partitioned by the same column as it was clustered by. This time I’m going to show a way to get better performance b
Reporting MySQL Internals with Information Schema plug-ins
(Roland Bouman) Last week, I described how to use the MySQL plug-in API to write a minimal ‘Hello world!’ information schema plug-in. The main purpose of that plug-in is to illustrate the bare essentials of the MySQL information schema plug-in interface.
Using Events to manage Table Partitioning by Date: wrap-up
(Jay Janssen) As a follow up to the series of posts I’ve been making, I wanted to post what I ended up with. Thanks to everyone who posted comments, your help was extremely useful. To recap, I have a working pair of events to add and remove partitions to this table:
Using Business Rules in MySQL
(Jonathan) While everyone tries to improve speed and performance in MySQL, other databases have realized that adding features that cut down on development time and improving time-to-market is what some people are looking for. MySQL is well known for great performance and it might be time to discover
Migrating to MySQL
(George J. Trujillo Jr.) The MySQL Migration Toolkit is a nice easy to use Wizard GUI tool for migrating databases to MySQL. The following site http://www.mysql.com/products/tools/migration-toolkit/ has some really nice tutorials for how to migrate the following databases to MySQL: –SQL Server
Monitoring 101
(Ronald) Hands up those that don’t monitor their production MySQL web server. I’m a little surprised by this, but I’ve visited several clients that have absolutely no monitoring other then “the customers will tell us when something is wrong”. The lack of system monitoring is one of the topics in my
