Oracle Team

Listener and Virtual IP

By Franck Pachot . When you configure a standby database, you want the application to transparently connect to the primary database, wherever it is. That's the role of Transparent Application Failover, but this requires configuration on the client side. If(…)

12cR2 RMAN> REPAIR

By Franck Pachot . Do you know the RMAN Recovery advisor? It detects the problems, and then you: RMAN> list failure; RMAN> advise failure; RMAN> repair failure; You need to have a failure detected. You can run Health Check if(…)

Data Pump LOGTIME, DUMPFILE, PARFILE, DATA_PUMP_DIR in 12c

By Franck Pachot . Data Pump is a powerful way to save data or metadata, move it, migrate, etc. Here is an example showing few new features in 12cR1 and 12cR2.

SecureFiles on multi-datafiles tablespaces

By Franck Pachot . When we have a tablespace with multiple datafiles, we are used to seeing the datafiles filled evenly, the extents being allocated in a round-robin fashion. In the old time, we used that to maximize performance, distributing(…)

SQLcl on Bash on Ubuntu on Windows

By Franck Pachot . I'm running my laptop on Windows, which may sound weird, but Linux is unfortunately not an option when you exchange Microsoft Word documents, manage your e-mails and calendar with Outlook and present with Powerpoint using dual(…)

Oracle 12c – Why you shouldn’t do a crosscheck archivelog all in your regular RMAN backup scripts

By William Sescu Crosschecking in RMAN is quite cool stuff. With the RMAN crosscheck you can update an outdated RMAN repository about backups or archivelogs whose repository records do not match their physical status. For example, if a user removes(…)

Service “696c6f76656d756c746974656e616e74” has 1 instance(s).

By Franck Pachot . Weird title, isn't it? That was my reaction when I did my first 'lsnrctl status' in 12.2: weird service name... If you have installed 12.2 multitenant, then you have probably seen this strange service name registered(…)

12cR2 DML monitoring and Statistics Advisor

By Franck Pachot . Monitoring DML to get an idea of the activity on our tables is not new. The number of insert/delete/update/truncate since last stats gathering is tracked automatically. The statistics gathering job use it to list and prioritize(…)

OUD – Oracle Unified Directory 11.1.2.3, Oracle generates more and more LDAP lookups with every release

By William Sescu After installing OUD some time ago, I was doing some tests to see how it performs, and as long as I do ldap searching on the command line it looks very good. I am running Unified Directory(…)

OUD – Oracle Unified Directory 11.1.2.3 Tuning, It is not always the servers fault

By William Sescu The default configuration which is shipped with OUD is not meant to be ready for enterprise usage. The default settings of OUD are targeted at evaluators and developers who run equipment with limited resources, and so it(…)