"Sveta Smirnova is a MySQL Support Engineer at Percona. Her main professional interests are problem-solving, working with tricky issues and bugs, and teaching others how to deal with MySQL issues, bugs and gotchas effectively. In addition to authoring ""MySQL Troubleshooting"" and ""JSON UDF Functions for MySQL"", Sveta has spoken at many events, including Fosdem, Percona Live, and Oracle Open World. Alkin Tezuysal is a Senior Technical Manager at Percona. He has extensive experience in enterprise relational databases, working in various sectors for large corporations. With more than 20 years of industry experience, Alkin has acquired skills for managing large projects from the ground up to production."