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select A,B,C from table1
union
select A,B,C from table2
order by A, C asc
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A B C
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001 ÈËÃñ 2
001 ¹²ºÍ¹ú 3
002 °ÂÁÖ 1
002 Æ¥¿Ë 2
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A B
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002 °ÂÁÖÆ¥¿Ë
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1 aa
1 bb
2 aaa
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1 aa,bb
2 aaa,bbb,ccc
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inse
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{
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