crystal reports :we use most of the times daily basis.we 
have to know the day to day staus.example daily transaction 
of the persons in a bank.end of the day whole sales reports 
of the same branch.it is for production .it is a predefined 
templete

web I: it is only for manage ment users.
       they want to take own decessions for their own
       like take a sales mall giving offers like end of 
season sale and clearence sales occational offers.

Webi report- it is ad-hoc report, we can modified as per 
request and analysis the reports.

but in Crystal reports--> we cant not modify the reports 
and it contains daily bases i.e., day to day 
infromation .example: shopping mall and customer details in 
bank