Ordinal Data - TopN (Analysis|Function)

1 - About

Top 'N' Analysis in general refers to getting the top-n rows from a result set.

3 - Example

find the top 3 employees ranked by salary:

select * 
    from ( select ename from emp order by sal )
   where rownum <= 3;

thats a top-n type query.

4 - Documentation / Reference

Data Science
Data Analysis
Data Science
Linear Algebra Mathematics

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