Aggregate functions in SQL

Aggregate functions calculate the values of a column and return single value as result. These are: 1.avg() 2.min() 3.max() 4.count() 5.sum() 6.first() 7.last()

PERL programming basic

This is a part of lecture presented by Ms. Rashmi Sharma Asst. professor of Biyani Girls College. The video is about basics of PERL programming, its variable types. The video is …