Login | Register   
RSS Feed
Download our iPhone app
Browse DevX
Sign up for e-mail newsletters from DevX

By submitting your information, you agree that devx.com may send you DevX offers via email, phone and text message, as well as email offers about other products and services that DevX believes may be of interest to you. DevX will process your information in accordance with the Quinstreet Privacy Policy.

Tip of the Day
Language: Enterprise
Expertise: Beginner
Jan 3, 2001



Application Security Testing: An Integral Part of DevOps

A Ranking Algorithm Implemented In One SQL Statement

We often come across situations where we have to rank things/persons based on certain criteria, such as ranking Students based on their scores.

Take, for example, a SCORES table with two columns: STUDENT_ID VARCHAR2(10), SCORE NUMBER(5). To rank these Students based on their scores, a straightforward approach is to open a cursor, order them by SCORE and then loop through the cursor to Rank them.

However, there is another very short approach for this that takes 1 SQL statement. Let
Jatin Shah
Comment and Contribute






(Maximum characters: 1200). You have 1200 characters left.



We have made updates to our Privacy Policy to reflect the implementation of the General Data Protection Regulation.
Thanks for your registration, follow us on our social networks to keep up-to-date