Check out this new Blog that we provide now as a platform for Oracle University Instructors to share insights from their classrooms with the Oracle Community. I have included it in my Blogroll as well.
An index is basically used for faster access to tables. Over a period of time the index gets fragmented because of several DMLs running on table. When the index gets fragmented, data inside the index is scattered, rows / block reduces, index consumes more space and scanning of index takes more time and more blocks [...]
What is the WebLogic Scripting Tool?
Bea WebLogic Scripting Tool WLST is a command-line scripting interface . The WLST scripting environment is based on the Java scripting interpreter, Jython language.
We can use WLST for administrative processes. WLST is alternative for admin console.
Weblogic Scripting WLST examples.
create server example
[oracle@wls-sysadm /]$ java weblogic.WLST (for start weblogic)
I’ve been doing presentations for many years, mostly on Oracle Technology, occasionally on management topics. However, my favorite presentation to give is one about when things go wrong. The title is usually something like “Surviving Survivable Disasters” or “5 ways to Seriously Screw up a Project” and, though the specific examples and flow may vary, [...]
Many times I faced this issue “WARNING: inbound connection timed out (ORA-3136)” in alert log and if you are using data guard, then you can see that dgmgrl status will show failed because standby is not able to sync up with primary. The “WARNING: inbound connection timed out (ORA-3136)” in the alert log indicates that [...]
Oracle patchsets used to be simple - they were bugfixes only; no additional functionalities were added. Oracle added stuff quietly in 10.2.0.4 patchset (the workload capture); but that was part of a new functionality anyway.
This is part 2 of an article on the KEEP cache. If you haven’t got here from part one you should read that first for an explanation of the STATE and CUR columns of the output. Here’s a little code to demonstrate some of the problems with setting a KEEP cache – I’ve set up [...]
Always check out the original article at http://www.oraclequirks.com for latest comments, fixes and updates.This is just a little reminder in case I forget (again) that the SMTP port on Amazon EC2 receives special attention due to the potential exploitation by spammers.If you run multiple Apex instances on Amazon EC2, it may sound convenient to configure a single mail server for all instances.