Calculate SQL Server Date Range

I have a table with the following schema:

EmployeeID int
StartDate smalldatetime
EndDate smalldatetime

One record in this table contatis the following data:

ID   StartDate        EndDate
1     2010-11-30     2011-05-16

I need to know if the Strat/End Date record is between a range, for example '2011-04-16' and '2011-05-15'.
How can I achieve this with SQL Server ?
jrthurlerAsked:
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David KrollConnect With a Mentor Commented:
select
  case
    when '2001-04-16' between startdate and enddate and '2011-05-15' between startdate and enddate then 'Yes'
    else 'No'
  end as inmedicallicense
from table
where id = 1
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David KrollCommented:
select *
from tablename
where startdate between '2011-04-16' and '2011-05-15'
or enddate between '2011-04-16' and '2011-05-15'
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jrthurlerAuthor Commented:
This will not work for me. What I need is to calculate if the employee is out of work in the period specified (in this case he started in medical license in 2010-11-30 and ended in 2011-05-16).

I need to ensure that in the period from '2011-04-16' until  '2011-05-15' he was in medical license. If I use your approach (which was what I´m using today) the program will not works fine!

Thanks in advance
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jrthurlerAuthor Commented:
Thanks for your help, after so many hours working on this system the logical disappears from us...
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