John Dempsey

Advocate and Engineer at @Redgate | Multiplatform DBA and AI Specialist | Karma's BFF | Free the AuDHD brain | Lives on an awesome floating home on the Columbia River in Portland, OR

Oracle PM - Migrations, Upgrades and Patching | OCM 12c, 11g, MAA & Cloud | Ex-#ACED and Ex-@Enkitec | Security-enthusiastic DBA | Opinions are my own.

SYM42 member | Oracle ACE Director♠| Oracle Database Specialist | Cloud, Exadata, ZDLRA, and MAA Expert | Speaker | Writer

Oracle ACE Director ♠️, Analytics, or just “Data” (of any shape, kind, and size) Consultant, owner of DATAlysis LLC. Having fun with Raspberry Pis and similar toys, coding random things, arguing with AI, and a lot more… (@G_Ceresa on Twitter/X)

Oracle Database Performance Specialist. People Performance Specialist. Independent Consultant. Oracle ACE Director. OakTable. Sym42. Cyclist. Cat herder. https://www.go-faster.co.uk

Database DevOps Engineer / Consultant - schaltstelle.ch Oracle ACE - @oracleace.bsky.social Sym42 Member - @sym42.bsky.social Cyclist and Mountaineer 📍🇨🇭

Daily Oracle SQL tips from the Oracle Developer Advocates for SQL

Does databases during the day (and at night, alas)

POUG Don't tell anyone, but P stands for the Pint 🍻 No marketing sessions, no sales pitches, just tech. #POUG2025: 5/6 September 2025 www.poug.org

Symposium 42 - created by the Oracle Database community to support the Oracle Database Community. All members are experts in creating & sharing technical content or organising community events & activities. https://sym42.org/

- Oracle ACE Director - @sym42.bsky.social member - Fellow, Database Architecture at https://moovit.com/ - Opinions are my own - My blog: https://db-oriented.com

🚫 Data Loss - 💯 Uptime - 🛡️ Data Guard Product Manager at ⭕ #OracleMAA - 💡Opinions are my own - 🏐🏔️🚵🏂🎶👨‍💻🕹️

Product Manager @ Oracle. Ex @Enkitec. Technology enthusiast. Author, blogger, speaking at user groups. Former Ace Director, OCM. I work for Oracle but do not speak for them

Oracle Databases, Data Warehousing, SQL Performance Tuning, Oracle ACE Director. Craft Beer Brewing, Beer Sommelier.

A DBA/Developer who has a website.

A product manager for Oracle Database, specializing in database developer productivity. Blogs @ https://www.thatjeffsmith.com 🌟 SQL ⭕ Oracle 📊 Databases 🏋️‍♂️ Weights, poorly 🥃 Bourbon 🕸️ REST API 🙊 Product Manager 🤘 80's hair metal fan

CEO, Miracle Finland Oy. CTO, Miracle SEA Consulting Pte. Ltd. Oracle ACE Director. Author, speaker. Doctoral Researcher, University of Helsinki.

Working on Oracle for Google in Texas. ACE Alumni. Proud member of Enkitec family. Never double dips. Cries at weddings.

Maximum Availability Architecture (MAA) Product Management team. We are here to help, but opinions shared are our own.