Question

I have a table column like this::

         SendID
           0
           0
           0
           0
           0
          22
          22
          22
          33
          33   

I wants the following result:

               SendID
                 0
                 0
                 0
                 0
                 0
                22
                33

Actually I want select all the zeros and distinct digit except 0.

Thanks in advance.

Answer 1

Using UNION, you can combine a query that selects all of the zeroes with another DISTINCT one that selects everything else only once:

  SELECT          SendID FROM mytable WHERE SendID =  0
UNION ALL
  SELECT DISTINCT SendID FROM mytable WHERE SendID <> 0