tsql - Data parameter ranges for Start and End dates -

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i have req include start , end date such user should pick date range.

start date includes null.

i created parameters date/time , allowed null in start date parameter.

also, placed filters in tablix these filters.

my issue when select start , end date range don't see data in report.

main dataset:      select col1, col2, start_date, end_date, col3      table  dataset 1:  select distinct col1  table  dataset 2:  select distinct col2            table        (col1in (@param1)) order col2  dataset 3:  select distinct col1, col2, col3  table        (col1 in (@param1))  , (col2 in (@param2)) group col1, col2, col3

any inputs/ideas/suggestions appreciated.

you'll need outer join against calendar table contains dates in query range. way, you'll see dates in results if there's no corresponding measure it.


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