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Find columns where all characters are the same
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USE master DECLARE @ table(x varchar(99)) INSERT @ VALUES('abcdefg'),('avcddeg'),('acbdeeg'),('abcdefge') SELECT n,max(z)FROM(SELECT substring(x,number+1,1)z,abs(number)n,*FROM spt_values,@)t GROUP BY n HAVING max(z)=min(z)and n<max(len(x))
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Execution time: 0,03 sec, rows selected: 3, rows affected: 4, absolute service time: 0,2 sec, absolute service time: 0,21 sec
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n
(No column name)
1
0
a
2
3
d
3
6
g