Answer / guest

Query calculation:by using query calculation we can add new
data items in report with the help of exesting query items
or data items
Layout calculation:it's a run time calcolation like adding
page number, time, dynamic heading to the report
ex:if u add date2string(Today()) function in report we will
get 2010-09-26 date in output

Answer / gopal

Query Calculation-derives an additional information from database

layout calculation-Creates customised report tiltles-Ex-%Asof Date()%,%As of user()%.

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