In this article, I’ll cover what the Oracle CUME_DIST function is and show you some examples. Purpose of the Oracle CUME_DIST Function The purpose of the CUME_DIST function is to find the cumulative distribution of a value in a list of values. The value that is returned will be between 0 and 1. The function […]
This blogpost is an introduction to Intel’s Pin dynamic instrumentation framework. Pin and the pintools were brought to my attention by Mahmoud Hatem in his blogpost Tracing Memory access of an oracle process: Intel PinTools. The Pin framework provides an API that abstracts instruction-set specifics (on the CPU layer). Because this is a dynamic binary instrumentation tool, it requires no recompiling of source code.
Wow, what an exciting time it has been here at Dbvisit with the release of the new Dbvisit Standby Version 8. It has been 2 years since the release of Version 7 and we are super excited to share the new version with you.
The Oracle TO_DATE function is one of the most common and useful string manipulation functions in Oracle, but it can be confusing. I’ll explain how to use the TO_DATE function in this article. Purpose of the Oracle TO_DATE Function The purpose of the TO_DATE function in Oracle is to convert a character value to a […]
This blogpost is about the Oracle redo log structures and redo efficiency in modern Oracle databases. Actually, a lot of subtle things changed surrounding redo (starting from Oracle 10 actually) which have gone fairly unnoticed. One thing the changes have gone unnoticed for is the Oracle documentation, the description of redo in it is an accurate description for Oracle 9, not how it is working in Oracle 10 or today in Oracle 184.108.40.206.