Declare two temporary tables, loop over both data-sets while running update query.
-- Created 3/7/2016
-- Author: John Bocook
-- Updates prospects agencies. Loops user id's and selects new agency_cod round robin style.
DECLARE @ids table(tmp_rid int identity(1,1), soc_sec VARCHAR(9), agency CHAR(10))
DECLARE @recruiters table(rec_tmp_rid int identity(1,1), agency CHAR(10))
INSERT INTO @ids (soc_sec)
-- Change select query to pull your user ids
SELECT soc_sec FROM prospect WHERE agency_cod like 'something'
INSERT INTO @recruiters(agency)
-- Recruiter list to be used for reassigning
VALUES ('recruiter1'),('recruiter2')
DECLARE @ids_i int
DECLARE @ids_cnt int
DECLARE @rec_i int
DECLARE @rec_cnt int
-- Set counts for looping
SELECT @ids_i = min(tmp_rid) - 1, @ids_cnt = max(tmp_rid) FROM @ids
SELECT @rec_i = min(rec_tmp_rid) - 1, @rec_cnt = max(rec_tmp_rid) FROM @recruiters
WHILE @ids_i < @ids_cnt
BEGIN
IF @rec_i < @rec_cnt
BEGIN
SELECT @rec_i = @rec_i + 1
END
ELSE
BEGIN
SELECT @rec_i = 1
END
SELECT @ids_i = @ids_i + 1
-- Table update query
UPDATE prospect
SET agency_cod = (SELECT agency FROM @recruiters WHERE rec_tmp_rid = @rec_i),
operator = 'jbocook',
date_maint = '2016-03-07 00:00:00.000'
WHERE soc_sec = (SELECT soc_sec from @ids WHERE tmp_rid = @ids_i)
-- END table update query
END