working on applications and technology

Today a friend ask me a quesiton.
"I know that you talk about the 'select for update' problem long before, but could you tell me how to resolve the performance problem dued to this SQL ? we 're having performance problem right now for our production database!"
Though I have told my friend one year ago to remind him of avoiding this situation using different technique, they 're ending up with this situation!
Why use 'Select for update'?Read more

We all know that Oracle database 10g is something like evolution toward grid computing comparing to 9i, a lot of revolutional concept like CRS,ASM is been introduced and accepted rapidly. while the features of 11g release one(R1) is more like an enhanced and extended version of 10g. because a lot of features of 11g have origin from 10g.
11g 's main focus areaRead more

An interesting phenomenon is the affiliate program of the internet business, there 're so many websites that dedicate to write products review and recommendation articles without asking direct return from the reviewed product company , they even use adword to promote other company 's products with their own money voluntarily!
The question is who is behind all of these and why they're doing it!Read more

An interesting phenomenon

In the country I work, There 's some interesting phenomenon that whenever a new version of Oracle database appear, some customer will select the previous version for their project.

This phenomenon happens too when 11g is released. these customers begin to select 10g or 10gR2 for their projects. It is easy to understand that people do not want to be

'first person to try tomato'.Read more