MySQL
AWS Aurora MySQL 8 is now generally available
AWS has just announced the general availability of Aurora MySQL 8 compatibility (known as Aurora Version 3). This is long awaited addition to RDS MySQL 8 and provides many of the new features that can be found in the open-source MySQL 8 community version.
Read moreA QLDB Cheat Sheet for MySQL Users
The AWS ledger database (QLDB) is an auditors best friend and lives up to the stated description of “Amazon QLDB can be used to track each and every application data change and maintains a complete and verifiable history of changes over time.
Read moreUnderstanding AWS RDS Aurora Capabilities
The RDS Aurora MySQL/PostgreSQL capabilities of AWS extend the High Availability (HA) capabilities of RDS read replicas and Multi-AZ. In this presentation I discuss the different capabilities and HA configurations with RDS Aurora including:
Read more#WDILTW – Functions with options
In the late 1990s I learned MySQL and Java at approximately the same time. How did I teach myself? For MySQL I read the online MySQL manual cover to cover. For Java it was the Java Language Specification or Java Programming Language book, again cover to cover.
Read moreUpcoming Percona Live 2021 Presentations
I am pleased to have been selected to present at Percona Live 2021 May 12-13. My presentations include talks on AWS RDS Aurora and QLDB managed services. Understanding AWS RDS Aurora Capabilities The RDS Aurora MySQL/PostgreSQL capabilities of AWS extend the HA capabilities of RDS read replicas and Multi-AZ.
Read more#WDILTW – Creating examples can be hard
This week I was evaluating AWS QLDB . Specifically the verifiable history of changes to determine how to simplify present processes that perform auditing via CDC. This is not the first time I have looked at QLDB so there was nothing that new to learn.
Read more#WDILTW – What can I run from my AWS Aurora database
When you work with AWS Aurora you have limited admin privileges. There are some different grants for MySQL including SELECT INTO S3 and LOAD FROM S3 that replace the loss of functionality to SELECT INTO OUTFILE and mysqldump/mysqlimport using a delimited format.
Read more#WDILTW – To use a RDBMS is to use a transaction
I learned this week that 30+ years of Relational Database Management System (RDBMS ) experience still does not prepare yourself for the disappointment of working with organizations that use a RDBMS; MySQL specifically; have a released production product, have dozens to hundreds of developers, team leaders and architects, but do not know the importance of, nor use transactions.
Read moreDefensive Data Techniques
As a data architect I always ensure that for any database schema change there a fully recoverable execution path. I have generally advised to create a patch/revert process for every change.
Read moreMySQL Data Security Risk Assessment presentation
Securing your data is only as good as your weakest link. A clear-text password in a file or history file, shared privileges between test and production or open sudo access when you can connect as an unprivileged user all are security flaws.
Read moreIdentifying MySQL SSL communication using ngrep
Prior to MySQL 5.7 client communications with a MySQL instance were unencrypted by default. This plaintext capability allowed for various tools including pt-query-digest to analyze TCP/IP traffic. Starting with MySQL 5.
Read moreTesting MySQL/MariaDB/Percona versions with Docker
Giuseppe Maxia has provided some great MySQL docker images . Percona and MariaDB also provide version via Docker Hub. In an attempt to have a consistent means of launching these different images I created the following convenience functions.
Read moreOTN appreciation day: The Performance Schema of MySQL 5.6+
To focus on just one point for OTN appreciation day on October 11 2016 and to the benefit of all users of MySQL is to consider the extremely convenient and rich value of information available in the MySQL Performance Schema to understand what SQL queries are running in a MySQL instance now.
Read moreMySQL Group Replication OOW Tutorial
Download Slides The second MySQL tutorial session at Oracle Open World was “MySQL Group Replication in a Nutshell” by MySQL Community Manager Frederic Descamps. This is succinctly described as: “Multi-master update anywhere replication for MySQL with built-in conflict detection and resolution, automatic distributed recovery, and group membership.
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