Jan

23

ora-01555

January 23, 2006 | Leave a Comment

I have been dealing with ora-01555 all day. I guess I was one of the victims of misconception about the rollback segments. Here is a small description of what I understand of “01555” now.
There are three situations that can cause the ORA-01555 error:
1. An active database with an insufficient number of small-sized rollback segments
2. A […]

Jan

20

Oracle Raptor

January 20, 2006 | Leave a Comment

I also tried Oracle Raptor yesterday. It’s neat, but has a few issues.
The bugs and issues are also listed on http://forums.oracle.com/forums/forum.jspa?forumID=260 . It will do a preety good job as far as helping the developers are concerned. I must point out that the GUI is a lil bit slower.
A free download is now available http://www.oracle.com/technology/products/database/project_raptor/index.html
Found […]

Jan

16

Why convert to Linux?

January 16, 2006 | Leave a Comment

Why convert to Linux?
Businesses, educational institutions, governmental agencies and other organizations around the world are converting their computer operating systems from Microsoft Windows to Linux at an increasing pace. They are likewise converting their application programs from commercial software to free software (also referred to as open source software). There are at least 25 reasons […]

Jan

16

Linux Filesystem

January 16, 2006 | Leave a Comment

It’s always great to refresh your memory and knowledge.
I thought this article was good.
Guide to Linux Filesystem Mastery
Although the kernel is the heart of Linux, files are the main vehicles through which users interact with the operating system. This is especially true of Linux, because in the UNIX tradition, it uses the file I/O mechanism […]

Jan

13

Interesting Interview

January 13, 2006 | Leave a Comment

Administering Terabyte Tables - An Interview with Data Warehouse DBA Jim Dojonovic
This is one of the good interviews I have come across.
Learned quite a bit about Administrating Large Data Warehouses.
http://www.dbazine.com/blogs/blog-cf/chrisfoot/blogentry.2005-09-06.2918203481