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default-collation=gbk_chinese_ci
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[mysql]
# set character set
default-character-set=gbk
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ERROR 2003 (HY000): C ......
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select * from table1 from abc = '123'
select * from table1 from abc = '123_1'
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test񡜧
1 5 abc
2 6 bcd
1 7 ade
2 8 adc
select a,b,c
from(
select a,b,c
,row_number()over(partition by a order by b desc) rn
from test
) &nb ......