Percona Community blog: Page 15

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This post walks through how to export data from MySQL® into JSON format, ready to ingest into MongoDB®. Starting from MySQL 5.7+, there is native support for JS...

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For Percona Live Europe this year, I got accepted a workshop on query optimization and a 50-minute talk covering TLS for MySQL at Large Scale, talking about ou...

There are a number of options for generating ID values for your tables. In this post, Alexey Mikotkin of Devart explores your choices for generating identifiers...

In the context of providing managed WordPress hosting services, at Presslabs we operate with lots of small to medium-sized databases, in a DB-per-service model,...

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MySQL has locking capabilities, for example table and row level locking, and such locks are needed to control data integrity in multi-user concurrency. Deadlock...

The goal of this tutorial is to show you how to use multi-master to aggregate databases with the same name, but different data from different masters, on the sa...

MongoDB ships powerful features in each release. The new release brings new features while revisions add bug fixes, security patches or improvements to existing...

I was recently asked a question by mail about MySQL Lossless Semi-Synchronous Replication. As I think the answer could benefit many people, I am answering it in...

In this post, I provide an illustration of how to use Pentaho Data Integration (PDI) tool to set up external dictionaries in MySQL to support ClickHouse. Althou...

Amazon RDS for MySQL offers the option to automate minor version upgrades using the minor version upgrade policy, a property that lets you decide if Amazon is a...