Here are some presentations on databases and data engineering. See also publications on the same topic.
Distributed SQL Summit (DSS), Fireside Chat with Kroger: Examining Their Two-Year Distributed SQL Journey and What’s Next https://www.youtube.com/watch?v=RnenbVcTYM8
YugabyteDB Friday Tech Talks: Audit Logging in YugabyteDB https://youtu.be/ecYN9Z5_Hzc
Distributed SQL Summit, Best Practices for Monitoring YugabyteDB https://www.youtube.com/watch?v=7aPG4R3K7is
ApacheCon, Upgrading Cassandra Using Automation https://www.youtube.com/watch?v=xcX_0UXjEvo
Datastax Accelerate, Capacity Planning Using Facebook Prophet https://www.youtube.com/watch?v=4nLwB2mApiU
Datastax Distributed Data Show, Growing Your Developer Skills https://www.youtube.com/watch?v=rwZVb9L0Fhk
MariaDB Conference, Battle of the Online Schema Change Methods https://mariadb.com/openworks/sessions-on-demand/battle-of-the-online-schema-change-methods/
Women in Tech Summit, Docker Workshop https://west.womenintechsummit.net/past-event/west-2017/
All Things Open, Database Upgrade Testing, A DevOps Partnership https://blog.pythian.com/pythian-things-open-2017/
Percona Live, Experience Using gh-ost in a Multi-Tier Topology https://blog.pythian.com/pythian-at-the-perconalive-2017-open-source-database-conference/
All Things Open, MySQL Data Encryption at Rest https://speakerdeck.com/dataindataout/all-things-open-2016-data-encryption-at-rest-in-mysql-and-mariadb
University of Ottawa Women in Science and Engineering, Technical Mentoring Panel
Triangle DevOps Meetup, No Blocking, Blocker https://speakerdeck.com/dataindataout/no-blocking-blocker-an-operational-dbas-thoughts-on-working-with-development