November 2009 Blog Posts (4)

Which is best ORACLE SCM or CRM

Hi,

I want to know about oracle SCM, soon i am going to learn this course. could you guys help me in this regard. which is best CRM or SCM. Eagerly waiting for your guidance.

Added by farooq on November 24, 2009 at 8:45am — 2 Comments

New Series of Articles on SQL Access Path Tuning

Just a quick note from your friendly ex-Oracle instructor...



I'll be publishing a 10 or 12 article series on SQL access path tuning. The first article discusses how we need to become "database performance scientists" and provides some hints and tips on the selection or creation of our test lab environment. The second article (coming next week) will show how easy it is to… Continue

Added by Chris Foot on November 18, 2009 at 11:48am — 3 Comments

Archiving In RAC Database.....?

Hi Friends,
How to enable archiving in a RAC Database in oracle 10g..?
i am working on 2 node clusters.
I am having some confusion...please help me in this issue.?
Waiting for your great Reply..

Thanks
Bhupendra

Added by Bhupendra Singh Koranga on November 15, 2009 at 9:00pm — 2 Comments

How to investigate with "ROW CACHE LOCK"

Database had the problem and found "ROW CACHE LOCK"

Top 5 Timed Events Avg %Total

~~~~~~~~~~~~~~~~~~ wait Call

Event Waits Time (s) (ms) Time Wait Class

------------------------- ------------ ----------- ------ ------ ----------

row cache lock 509,761 1,259,315 2470 71.8 Concurrenc



I found out event in v$session before check in v$rowcache... and resolved

Example:…

Continue

Added by Surachart Opun on November 8, 2009 at 4:42am — No Comments

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Blog Posts

Join cases between related tables in data computing and analytics

Related computing can be: Inner join or outer join. The outer join can be further divided into left join, right join, and full join. With esProc, such kinds ofrelated computing can be easily implemented. In the discussion below, we will introduce the join operations with some examples using the table emp and table sOrder.

Table structure:

The table emp stores the employee data table, in which the…

Continue

Posted by Jim King on August 25, 2014 at 1:35am

Oracle RAC Classes

Contact me for Oracle High Availability Training / Online Classes - Dubai shans.dba@gmail.com

Posted by Shanmugam on August 18, 2014 at 1:00am

Code Examples of In-Memory Grouping for more efficient data computing and analytics

It is convenient to realize some common in-memory grouping with esProc, such as, equal grouping, alignment grouping and enumeration grouping. They are to be illustrated with the following examples.

Equal grouping 

Grouping basis of equal grouping is certain fields (or computed columns derived from fields) within a data set. Each group is a subset of original data set.

Case description: Group sales orders by the year. …

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Posted by Jim King on August 15, 2014 at 12:21am

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