(advait) I am starting Oracle 12c learning series, where I am planning to publish multiple articles on Oracle 12c new features. I hope these articles will be helpful to DBAs aspiring for OCP 12c certification and also others who are planning to implement these features in there databases.

(Martien van den Akker) So let’s start the day with a blog. In the past few months I created scripts to install FMW products and build a WebLogic domain for it. For most of my findings I did a blog already:

(Mike Ault, Jim Czuprynski, Tariq Farooq, Guy Harrison, Mohamed Houri, Syed Jaffar Hussain and Paulo Portugal) Latches and mutexes are similar to locks, and their very nature creates the potential for contention. In this chapter from Oracle Database Problem Solving and Troubleshooting Handbook, the

(connormcdonald) Before LATERAL and CROSS APPLY were added (exposed to us) in 12c, a common technique to do correlated joins was using the TABLE/MULTISET technique.

(Martin Bach) In the first part of this little series I explained how a missing (default) tablespace in a PDB can have an impact when opening it. In this instalment I’ll add another common cause for PDBs not opening in read-write mode: different patch levels between the PDB to be plugged in and the

(Martien van den Akker) Last week I wrote a blog about how to create WebLogic users for ServiceBus 12c. However, I did not now how to assign a particular Application Specific Role to the weblogic user, for particular ServiceBus privileges.

(mdinh) This is probably not a 12.2 specific features and since I only tested for 12.2, I am not going to vouch for other versions.

(Andrejus Baranovskis) I have described how to apply ADF Security for ADF BC REST in my previous post – Oracle JET and ADF BC REST Basic Authentication.

(Ben) Have you tried to run a query and got the “ORA-00979: not a group by expression” error? Learn what it is and how to resolve the error in this article.

(Martien van den Akker) In most SOASuite and Oracle ServiceBus projects the Database Adapter is used. And often it is used to invoke PL/Sql functions and procedures.