Question

i have sample records ranking table

   SNO      NAME            TYPE    RANK1-RANK2      DATE    
2   sd sdf ds   Weekly  4    - 8    20-Sep-2011 19:23:02          
3   asd asd     Weekly  1    - 6    21-Sep-2011 19:23:02          
4   sdsdsfsd    Weekly  1    - 1000 22-Sep-2011 19:23:02

in the above example one records i have 20 sept 2011 i have ranks 1 – 8 , from form i used to select rank1 and rank2 , that rank1 and rank2 should not be in this range if insert to be success, other wise it should not be insert. for that i need select sql query can u any one answer this select sql query..

test case for SNO 2 record

chosen from form

                     rank1 - rank2 insert 
                       1    -  3     true
                       2    -  6     false
                       5    -  7     false
                       10   -  100   true

Answer 1

You can use this query to see if there is a record that prevents you from inserting. If it returns 1, then the insert would be prohibited.

SELECT COUNT (*) FROM table
WHERE rank1 NOT BETWEEN MIN(incomingRank1, incomingRank2) - 1 
                    AND MAX(incomingRank1, incomingRank2) + 1
  AND rank2 NOT BETWEEN MIN(incomingRank1, incomingRank2) - 1 
                    AND MAX(incomingRank1, incomingRank2) + 1
  AND date = incomingDate