César Carvalho (@Cesar_DBA) header
César Carvalho (@Cesar_DBA) profile picture

César Carvalho

@Cesar_DBA

Christian. Oracle ACE Pro ♠ @oracleace🅾️, DBA, OCP, RAC, Data Guard, MCSE, MCSA SQL Server. #OracleACE #Database #Linux

cesardba.com.br
Joined October 2014
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Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)Photo by César Carvalho (@Cesar_DBA)
Welcome session for new Oracle ACEs. #community @oracleace
Image from César Carvalho (@Cesar_DBA)
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César Carvalho retweeted
Oracle ACE Program (@oracleace) profile picture
Oracle ACE Program
@oracleaceNov 3
🎬 One event. So many memories! ❤️ From sessions and reunions to new connections and great conversations, the Oracle ACE community made #OracleAIWorld 2026 unforgettable! 🌎 Here's a look back at some of our favorite moments in Las Vegas! 🙌 #OracleACE
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From Brazil to Europe, the MySQL community keeps connecting! 🐬 Explore Heather VanCura’s recent community activities, conversations on open innovation, roadmap transparency, and collaboration. Thanks to everyone who joined and shared feedback! social.ora.cl/6010BHQ7h6
MySQL Conversations from Brazil to Europe

MySQL Conversations from Brazil to Europe 

blogs.oracle.com
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pfSense is turning 20, and Netgate just dropped a big update: CE and Plus are officially reuniting into ONE pfSense starting with version 26.10. The full feature set, new GUI, built-in API, and free security updates are now free for everyone on amd64 hardware. netgate.com/blog/pfsense-at-…
pfSense at 20

pfSense at 20

Celebrate 20 years of pfSense® software. Release 26.10 unites CE and Plus into one edition. See what's coming.

netgate.com
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César Carvalho retweeted
planetmysql (@planetmysql) profile picture
planetmysql@planetmysqlOct 21
MySQL October 2026 GA Releases Now Available ift.tt/GV2Ojos
MySQL October 2026 GA Releases Now Available

MySQL October 2026 GA Releases Now Available

MySQL October 2026 Release

blogs.oracle.com
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César Carvalho retweeted
Oracle ACE Program (@oracleace) profile picture
Oracle ACE Program
@oracleaceOct 9
📸 Great to see so many familiar faces at our October Oracle ACE Program Monthly Update! 🙌 ♠️ A big THANK YOU to everyone who joined us, and to our special guest, Chris Saxon, for sharing Oracle Dev Gym updates! 🎤💻 💙 See you at our next event! #OracleACE
Image from Oracle ACE Program (@oracleace)
Image from Oracle ACE Program (@oracleace)
Image from Oracle ACE Program (@oracleace)
Image from Oracle ACE Program (@oracleace)
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🚀 dbForge 2026.2 is out! Built-in PostgreSQL Debugger, new visual editors, a smarter AI Assistant with file attachments, plus support for PostgreSQL 19 & MySQL 26.7. Details 👉 devart.com/blog/whats-new-in…
Image from César Carvalho (@Cesar_DBA)
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Performance Impact of Memory Compaction (kcompactd) in UEK7 with Large HugePages Allocations. cesardba.com.br/uek7-kcompac…
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César Carvalho retweeted
Oracle ACE Program (@oracleace) profile picture
Oracle ACE Program
@oracleaceSep 24
Calling all #MySQL enthusiasts in São Paulo! 🇧🇷 On 26 September, our #OracleACE speakers take the stage at MySQL BR Conf 2026, sharing their expertise with Brazil’s MySQL community. A great opportunity to learn, exchange ideas and connect with fellow database professionals. 📅 26 September 2026 | 📍 São Paulo, Brazil 🔗 social.ora.cl/6013B1AfAX @MarioBarduchi @ask_dba
Image from Oracle ACE Program (@oracleace)
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César Carvalho retweeted
planetmysql (@planetmysql) profile picture
planetmysql@planetmysqlSep 11
Introducing MySQL Workbench 26 ift.tt/RhU8AEn
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Upload Files to My Oracle Support SR lnkd.in/dGrzDj2y #oracleace @oracleace

LinkedIn

This link will take you to a page that’s not on LinkedIn

lnkd.in
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César Carvalho retweeted
Gerald Venzl 🚀 (@GeraldVenzl) profile picture
Gerald Venzl 🚀@GeraldVenzlAug 31
Oracle AI Database 23.26.3 Free multi-platform images now available on gvenzl/oracle-free geraldonit.com/oracle-ai-dat…
Oracle AI Database 23.26.3 Free multi-platform images now available on gvenzl/oracle-free

Oracle AI Database 23.26.3 Free multi-platform images now available on gvenzl/oracle-free

Oracle AI Database 23.26.3 Free multi-platform images are now available on container registries docker.io/gvenzl/oracle-free and ghcr.io/gvenzl/oracle-free. With this release, 23.26.1 images have n…

geraldonit.com
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Hi, I’m working on a performance issue related to the implementation of proactive memory compaction. Is there someone from the UEK kernel team I could send the evidence to? I also have an open SR regarding this issue. @OracleLinux @OracleOSS
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What it does: breaks an Oracle database on purpose in a lab → drives the recovery → keeps the receipts. Logs, manifests, audit records, reports. What broke. What came back. How long it took. github.com/fmunozalvarez/cra… @OracleDatabase @oracleace @oracleugs #dataresilience
CrashSimulator Data Resilience scorecard

ALT CrashSimulator Data Resilience scorecard

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César Carvalho retweeted
planetmysql (@planetmysql) profile picture
planetmysql@planetmysqlAug 27
MySQL 26.7 – Thank you for your contributions! ift.tt/wJZ8Gav
MySQL 26.7 – Thank you for your contributions!

MySQL 26.7 – Thank you for your contributions!

blogs.oracle.com
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César Carvalho retweeted
ShareX (@ShareX) profile picture
ShareX
@ShareXAug 23
ShareX is 19 years old today! Still open source, still improving, and still going strong. Huge thanks to everyone who has been part of the journey.
🤖 Made with AI
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César Carvalho retweeted
Oracle AI Database (@OracleDatabase) profile picture
Oracle AI Database
@OracleDatabaseAug 21
25 years of Oracle RAC, built for what’s next. Run diverse workloads as one clustered database with capabilities designed to support continuous availability, scalability, and operational simplicity—on Exadata across on-premises, OCI, Oracle Database@AWS, Oracle Database@Azure, and Oracle Database@Google Cloud. Learn more: social.ora.cl/6015B1i9DD
25 Years of Oracle RAC: From Mission-Critical Availability to Multicloud Scale

25 Years of Oracle RAC: From Mission-Critical Availability to Multicloud Scale

Oracle RAC, Oracle Real Application Clusters, Oracle RAC history, Oracle RAC architecture, High Availability, Mission-Critical Databases, Oracle MAA, Oracle Exadata, Oracle AI Database, Multicloud...

blogs.oracle.com
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César Carvalho retweeted
planetmysql (@planetmysql) profile picture
planetmysql@planetmysqlAug 20
August 2026 MySQL Contributor Summit and Inaugural MySQL Steering Committee Members  ift.tt/a9KETJU
August 2026 MySQL Contributor Summit and Inaugural MySQL Steering Committee Members

August 2026 MySQL Contributor Summit and Inaugural MySQL Steering Committee Members 

blogs.oracle.com
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César Carvalho retweeted
Bertrand Drouvot (@BertrandDrouvot) profile picture
Bertrand Drouvot@BertrandDrouvotAug 13
Welcome to pg_walviz: #PostgreSQL WAL segment visualizer: bdrouvot.github.io/2026/08/1…

Welcome to pg_walviz: PostgreSQL WAL segment visualizer

Introduction The purpose of this blog post is to introduce pg_walviz, a new tool to visualize PostgreSQL WAL segment files. pg_waldump is very useful to display a human-readable rendering of the WAL....

bdrouvot.github.io
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César Carvalho retweeted
Oracle ACE Program (@oracleace) profile picture
Oracle ACE Program
@oracleaceAug 14
A huge thank you to the 100+ Oracle ACEs and community members who joined us yesterday for our August 2026 Oracle ACE Program Monthly Update! 🙌 The energy and engagement of the #OracleACE community are what make this program so special. Thank you for being part of it! ❤️ #OracleACE
Image from Oracle ACE Program (@oracleace)
Image from Oracle ACE Program (@oracleace)
Image from Oracle ACE Program (@oracleace)
Image from Oracle ACE Program (@oracleace)
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César Carvalho retweeted
planetmysql (@planetmysql) profile picture
planetmysql@planetmysqlAug 13
Replicating from InnoDB into a DuckDB storage engine ift.tt/F96ZKtV

Replicating from InnoDB into a DuckDB storage engine

Our first post showed MySQL 9.7 with one change: mark a table ENGINE=DuckDB and its analytical queries run in DuckDB instead of InnoDB. The question we kept getting after that was about replication....

percona.com
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