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SELECT * FROM DAT_SUM
WHERE C_CODES LIKE '%1%' OR C_CODES LIKE '%3%' OR C_CODES LIKE '%12%'
select * from dat_sum
where charindex(',1,', ','+c_codes+',') >0
or charindex(',2,', ','+c_codes+',') >0
or charindex(',12,', ','+c_codes+',') >0;
select * from dat_sum
where charindex(',1,',','+c_codes+',')>0
or charindex(',3,',','+c_codes+',')>0
or charindex(',12,',','+c_codes+',')>0