>I have student .dbf with fields 1.Regno (C) 2.Name (C) 3.DOB (D) 4.Category (C) 5. Result (C) 6.Sitting (Integer) 7.Course (C) having around 2000 records. I would like to write a "Error.prg" for four types of Error list mention below.
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>1. List out the student whose age above 25 years as on 1st July 2011 based on DOB Field.

select * from Student where DOB < gomonth(date(),-12*25)

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>2. List out the student whose age above 17 years as on 1st December 2011 based on DOB Field.

select * from Student where DOB > gomonth(date(),-12*17) && students less than 17 years old


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>3. List out the failed student based on Result filed. The result field having two types of value 1."Y" 2."N" if Y means "Pass" and if "N" means "Fail".
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>4.List out Sitting filed value equal to "3".
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>How to write?

3 & 4 please try yourself using appropriate WHERE clause in a query.