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      ±ÈÈ磬¡®1,2¡¯   like   ¡®1,2,3¡¯ÔõôƥÅä
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charindex(',' + '1,2' + ',' , ',' + '1,2,3' + ',') > 0

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charindex(',' + '1,2' + ',' , ',' + '1,2,3' + ',') > 0

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',' + '1,2,3' + ',' like '%,' + '1,2' + ',%'

SQL code:
select *
from
(
select a='1,2,3'
) tb
where a like '1,2%'

a
-----
1,2,3

(1 ÐÐÊÜÓ°Ïì)


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