Planet MySQL Planet MySQL: Meta Deutsch Español Français Italiano 日本語 Русский Português 中文
Showing entries 1 to 3

Displaying posts with tag: hash (reset)

MySQL Partitioning and its Confusing Syntax
+0 Vote Up -2Vote Down

While looking at partitioning I recently made a mistake which I guess can happen to others. Often this is due to not fully reading the documentation or scanning it too quickly and misunderstanding what’s being said.

So this post is to complain about the MySQL partitioning syntax and to warn others who may easily make the same mistake without realising.

First we probably need to ask why we are partitioning a table in the first place. The main reasons for this are I think:

  • to improve query performance
  • to reduce individual .ibd file sizes for large tables (if using innodb_file_per_table)

In my …

  [Read more...]
Data Warehousing Best Practices: Comparing Oracle to MySQL pt 2
+5 Vote Up -3Vote Down

At Kscope this year, I attended a half day in-depth session entitled Data Warehousing Performance Best Practices, given by Maria Colgan of Oracle. My impression, which was confirmed by folks in the Oracle world, is that she knows her way around the Oracle optimizer.

See …

  [Read more...]
The replication poll and our plans for the future
Employee +0 Vote Up -0Vote Down

We've been running replication poll and we've got some answers, so I thought I would comment a little on the results of the poll and what our future plans with respect to replication is as a result of the feedback. As I commented in the previous post, there are some items that require a significant development effort, but the feedback we got helps us to prioritize.

The top five items from the poll above stands out, so I thought …

  [Read more...]
Showing entries 1 to 3

Planet MySQL © 1995, 2014, Oracle Corporation and/or its affiliates   Legal Policies | Your Privacy Rights | Terms of Use

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.