Average of grouped rows in Sql Server

Question

I have an Sql Server Table.. it\'s something like this:

Id ...... Column1 ...... Column2  
````````````````````````````````  
1 ........ 1 ............. 34  
2 ..         


        

Answer 1

Is this what you want?

select column1, avg(column2) from table group by column1

Answer 2

simple

select AVG(Column2) from table group by Column1

doesn't work?

Answer 3

This following Query will help for Calculate the average value of a ROW:

 select Avg(A.Tamil + A.English + A.Maths + A.Science + A.Social_Science)/5 As 
 Average
 from MarkTable A, MarkTable B, MarkTable C
 where A.RollNo='14UCA002'

This might helpful...

Answer 4

SELECT column1, AVG(column2) 
  FROM "Insert table name"
GROUP BY column1 

Answer 5

Execute the following SQL from average :

select column1,avg(column2) from tablename group by column1;

Answer 6

SELECT Column1, AVG(Column2) FROM test GROUP BY Column1;