sql - what is the best and fastest way to get the row number -


suppose have data in below format in table, have fetch decile, best , fastest query in sql server correct decile.

suppose have 2 parameters in scalar function,

  1. performancevalue
  2. measureid

suppose pass 11.22 in performance value parameter , 3 in measureid, scalar function should return 3

suppose pass 85.54 in performance value parameter , 4 in measureid returns 10

suppose pass 54.00 in performance value parameter , 4 in measureid return 7.2

decile data

the table need contains measureid, number range (e.g from_value , till_value) , decile. use simple where clause:

select decile mytable measureid = 4   , 54.00 between from_value , till_value;

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