Lockdown profiles definition – NUL character
Playing more with lockdown profiles, I have discovered another interesting bit. For some entries and some columns of CDB/DBA_LOCKDOWN_PROFILES views (which are based on LOCKDOWN_PROF$ table), there is unnecessary NUL (ASCII code 0) character added at the end. In our environment it was the case…
Lockdown profiles definition inconsistencies
While working recently on lockdown profiles in 12.2 database with January 2020 Release Update installed, together with my colleague Loïc Fave, we have discovered some inconsistencies in how the information about already defined lockdown profiles is stored and used to enforce the rules. Loïc has…
Formatter Callback Functions
Introduction In this blog post I explained how the formatter in SQL Developer works and outlined how you can change the formatter result using Arbori and JavaScript. In this post I explain what exactly the provided formatter callback functions do. For that I use simple…
Patching SQL Developer 20.2 with SQLcl’s Formatter
Introduction SQLcl 20.3.0 was released on October 29, 2020. It’s the first time I remember that we have a SQLcl version without the corresponding SQL Developer version. This is a pity because this SQLcl version also contains formatter fixes. And formatting code is something I…
Navigation in Large PL/SQL Code
Are you editing large PL/SQL code in SQL Developer? Have you noticed that sometimes you cannot navigate to a declaration anymore? No Ctrl-Click under Windows. No Command-Click under macOS. In this blog post I explain the reason and how to fix that in SQL Developer…
‘ORA-19909: datafile 1 belongs to an orphan incarnation’ during duplicate for standby
Some time ago my colleague Pavel Tolstorukov asked me for help with failing DUPLICATE TARGET DATABASE FOR STANDBY FROM ACTIVE DATABASE. The problem appeared during the recovery phase. The exact error looked like below: We worked on this together and were able to identify the…
Data Guard – Definition of Online Redo Logs is “broken” after duplicate for standby
Hi there, today is the 1st birthday of a service request with Oracle I opened for which I see no progress since quite a while. I raised it exactly one year ago, on Oct 2nd 2019. There were some activity in last October, November mostly…
Disable Formatter for Code Sections in SQL Developer
In this blog post I show how you can disable the formatter for some parts of your code. IntelliJ IDEA and the Eclipse IDE use tags in comments to identify sections of code that must not be formatted. By default these tags are @formatter:off and…
Highlight Hints in SQL Developer
Introduction In this blog post I explain how you can configure your SQL Developer to highlight hints and distinguish them from ordinary comments. The SQL Language Reference for Oracle Database 19c defines hints as follows: Hints are comments in a SQL statement that pass instructions…
TNS chaos
I like to have my Oracle Net config consistent and without surprises. So for me it is a best practice to have ONE central TNS_ADMIN directory on the database server, which is set in all my shells. But a lot of processes might ignore that…
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