CTAS Performance

Tune CTAS statements on Oracle Database … More CTAS Performance

Using DBMS_XPLAN.DISPLAY_CURSOR to examine execution plans

Very nicely explained by sqlmaria / Maria Colgan in the YouTube clip below. Clear and clean. I repost this as a reference and will add more later, if needed.

Researching the Performance Puzzle | Ardent Performance Computing

The PostgreSQL Performance Puzzle was, perhaps, too easy – it didn’t take long for someone to guess the correct answer! But I didn’t see much discussion about why the difference … More Researching the Performance Puzzle | Ardent Performance Computing

Tuesday Post: Database schemas compare

One of the questions that arise during the development process is if the database schéma I work on is an unaltered image of production. How do I know that another … More Tuesday Post: Database schemas compare

Oracle SQL Developer 21.4.2 & SQLcl 21.4.1 are now available

We published two updates last night, both maintenance releases, aka bug fixes only. Released January 19, 2022.That being said, everyone should … Oracle SQL Developer 21.4.2 & SQLcl 21.4.1 are … More Oracle SQL Developer 21.4.2 & SQLcl 21.4.1 are now available

Help, my Oracle SQL Developer is crashing!

With 7,000,000 users, give or take a million, I get quite a few notes from folks who are having problems getting SQL Developer to open, or to STAY … Help, … More Help, my Oracle SQL Developer is crashing!

Manage Sessions in Oracle Database

Review of methods to manage Oracle Database sessions … More Manage Sessions in Oracle Database

Overview: SELECT SAMPLE

One feature that many developers and data analysts are not aware of is the SAMPLE function in Oracle. It is quite an old feature (not sure exactly when it was … More Overview: SELECT SAMPLE

Estimate Defragmentaton Benefits for a Bigfile Tablespace

Database: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 – Production Version 19.3.0.0.0 I write this post in order to follow step by step how a bigfile tablespace is created and … More Estimate Defragmentaton Benefits for a Bigfile Tablespace

Oracle ULS

My experience using Oracle’s Unlimited Learning Subscription … More Oracle ULS

Column Level Collation Example

The feature was first introduced in 12.2 . It basically determines how the string comparison takes place. In order to use the feature, extended data types should be enabled.

I speak at SPOUG ’21

Oracle Autonomous and Data Lake Accelerator Below you can see the details of your session, including the scheduled time of your session:  Session Code: SP21DBSEINF001 Name: Radu Pârvu Email: radu.parvu@accenture.com  Position: Director Twitter: https://twitter.com/rparvu Linkedin: https://www.linkedin.com/in/rparvu/More I speak at SPOUG ’21

Riding to fight kids cancer! Please donate!

Hej! This September, I am taking part in the Great Cycle Challenge to fight kids’ cancer! My goal is to pedal 200 miles throughout the month. Why am I doing … More Riding to fight kids cancer! Please donate!

Starting Oracle SQL Developer with Custom Parameters

I recently worked at a Client that had the Windows desktop setup in a non-English language. Naturally, I did not get admin rights on the Client owned desktop so I … More Starting Oracle SQL Developer with Custom Parameters