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id      locate
1      11,1,111,2
2      111,22,33
3      1£¬11£¬23
....
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select * from tab where locate+',' like '11,'

select * from tab where ','+locate+',' like ',11,'

SQL code:

select * from tab where locate like '1{2}'



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1£¬22£¬111

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SQL code:
f1 = '11' or f1 like '11,%' or f1 like '%,11,%' or f1 like '%,11'




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select * from tab where locate like '11,%' or locate like '%,11,%' or locate like '%,11'
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select * from tab where locate like '11,%' or locate like '%,11,%' or locate like '%,11'
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