Insight for Developers

Implementing a Database Center of Excellence

Database Center of Excellence

In your organization, who decides what database platform will be utilized for that new application being built?  For many groups, that decision is made by the Development Team while for others, it is the Database Team.  But, which is best equipped to make that decision?  As is usually the case, the answer lies in […]

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UUIDs are Popular, but Bad for Performance — Let’s Discuss

UUID popular

If you do a quick web search about UUIDs and MySQL, you’ll get a fair number of results. Here are just a few examples:

Storing UUID and Generated Columns
Storing UUID Values in MySQL
Illustrating Primary Key models in InnoDB and their impact on disk usage
GUID/UUID Performance Breakthrough
To UUID or not to UUID?

So, does a well-covered topic […]

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Column Histograms on Percona Server and MySQL 8.0

MySQL Column HIstorgrams

From time to time you may have experienced that MySQL was not able to find the best execution plan for a query. You felt the query should have been faster. You felt that something didn’t work, but you didn’t realize exactly what.
Maybe some of you did tests and discovered there was a better execution […]

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MongoDB: Impact-free Index Builds using Detached ReplicaSet Nodes

MongoDB Impact-free Index Builds

Creating an index on a MongoDB collection is simple; just run the command CreateIndex and that’s all there is to it. There are several index types available, and in a previous post, you can find the more important index types: MongoDB index types and explain().
The command is quite simple, but for MongoDB, building an […]

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Upcoming Webinar 7/23: 10 Common Mistakes Java Developers Make when Writing SQL

Mistakes Java Developers Make when Writing SQL

Please join Percona’s Senior Support Engineer Charly Batista as he presents “10 Common Mistakes (Java) Developers Make when Writing SQL” on Tuesday, July 23rd, 2019 at 8:00 AM EDT (UTC-4).
Register Now
It’s easy for Java developers (and users of other OO languages) to mix object-oriented thinking and imperative thinking. But when it comes to writing […]

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