Tag - Alexander Rubin

Percona Live 2017: MySQL Makes Toast

MySQL Makes Toast

Every day at Percona Live 2017 brings something new and unusual – and on this particular day, we found out that MySQL makes toast.
A lot of people think that with MySQL and open source software, you can do anything. While many might view this metaphorically, Percona’s Alexander Rubin (Principal Consultant) takes this statement very seriously. […]

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Advanced Query Tuning in MySQL 5.6 and MySQL 5.7 Webinar: Q&A

Thank you for attending my July 22 webinar titled “Advanced Query Tuning in MySQL 5.6 and 5.7” (my slides and a replay available here). As promised here is the list of questions and my answers (thank you for your great questions).
Q: Here is the explain example:

MySQL

mysql> explain extended select id, site_id from test_index_id where […]

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Peter Zaitsev hits the road for East Coast MySQL Meetup tour

Percona CEO Peter Zaitsev and Big Data guru Alexander Rubin will be speaking at Meetups along the East Coast next week with stops in Boston (May 11), New York City (May 12), Philadelphia (May 13) and Baltimore (May 14).
Dubbed the “MySQL Whistle-Stop Tour” since they’ll be traveling city to city via Amtrak, Peter will […]

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Generated (Virtual) Columns in MySQL 5.7 (labs)

About 2 weeks ago Oracle published the MySQL 5.7.7-labs-json version which includes a very interesting feature called “Generated columns” (also know as Virtual or Computed columns). MariaDB has a similar feature as well: Virtual (Computed) Columns.
The idea is very simple: if we store a column

MySQL

`FlightDate` date

1

`FlightDate` date

in our table we may want to filter or group […]

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Using MySQL Event Scheduler and how to prevent contention

MySQL introduced the Event Scheduler in version 5.1.6. The Event Scheduler is a MySQL-level “cron job”, which will run events inside MySQL. Up until now, this was not a very popular feature, however, it has gotten more popular since the adoption of Amazon RDS – as well as similar MySQL database as a service […]

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