(Andrejus Baranovskis) What if you have entity level validation rule and want to attach validation error message to specific field. By default this is not possible – all entity level validation error messages are displayed in the popup and are not attached to the fields (differently than attribute l

(Dan Brooks) With Oracle’s Mobile Application Accelerator (MAX) as a part of Oracle Mobile Cloud Service (MCS), we’ve allowed citizen developers to create mobile apps in minutes without using any code.

(Uwe Hesse) A 12c Multitenant Database is designed to make consolidation easier. The PDBs have not only their application data in separate tablespaces, they also have their application metadata in separate SYSTEM tablespaces. That’s what makes it so easy and fast to unplug a PDB.

(Ben Brumm) Oracle has several character data types that are commonly used and can also be confusing if you don’t know the differences between them. Learn what they are and the differences between them in this article.

(Randolf Geist) In the last part of this installment I’ll have a brief look at the network performance measured in the Oracle DBaaS environment, in particular the network interface that gets used as private interconnect in case of RAC configuration. The network performance could also be relevant whe

(mdinh) This is new as of 12.1.0.2.

(Harry Dragstra) Threaded_Execution is an Oracle Database 12c feature aiming to reduce the number of Oracle processes on LINUX. After setting parameter THREADED_EXECUTION on TRUE and a database bounce, most of the background processes are threads within just 6 Oracle processes, where more than 60 pr

(Stefan) Last year in October Oracle released the Oracle Database Security Assessment Tool (DBSAT) to analyzes database configurations and security policies to improve the security in your environment.

(Zahid Anwar) On a Data Guard Physical Standby, I noticed the following in the alert log:

(David Fitzjarrell) Query tuning is part art, part science and usually occurs on a case-by-case basis. There may be occasions though, where a series of queries, similar in structure and differing in predicate values, need to be tuned.