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Top 5: blog posts from September 2026

Top5 2025-08

September has ended, leaving behind a new array of experiences, ideas, and discoveries in the Oracle Database world. From situations that could complicate your day to features you might not have known about, these five articles offer plenty to explore.

Ready to learn more? Here’s this month’s selection.

ALERT_LOG_MAX_SIZE: new management of the Alert Log in Oracle AI Database 26ai
Is your alert log growing nonstop, and do you want more control over its size? Ronald explains the new parameter that brings automatic segmentation and rotation.
Let's read it!
[19c] AWR in Active Data Guard Standby Database
Want to know how your standby is performing beyond its replication status? David shows us how to bring AWR to the standby.
Read it now!
Upload Files to My Oracle Support SR
Have you ever had to upload huge files to an SR and ended up fighting with the browser? César shows us a fast way to do it straight from the terminal.
Let's read it!
DML redirection on Oracle 19c
Is your standby in ADG mode, but an application is trying to execute DML? Roberto demonstrates, through a complete lab, how Oracle 19c handles this situation.
I want to read it!
Histograms in Oracle: the parameter that most affects your execution plans
Does the optimizer estimate hundreds of rows when there are millions? José explains histograms and how they can affect execution plan quality.
Check it out!

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