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ELSE 'ÆäËû' END
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CASE WHEN sex = '1' THEN 'ÄÐ'
WHEN sex = '2' THEN 'Å®'
ELSE 'ÆäËû' END
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WHEN col_1 IN ('a')       THEN 'µÚ¶þÀà'
ELSE'ÆäËû' END
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ÃÀ¹ú 100
¼ÓÄôó 100
Ó¢¹ú 200
·¨¹ú 300
ÈÕ±¾ 250
µÂ¹ú 200
Ä«Î÷¸ç 50
Ó¡¶È 250
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ÆäËû 700
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SELECT SUM(population),
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WHEN 'Öйú'     THEN 'ÑÇÖÞ'
WHEN 'Ó¡¶È'     THEN 'ÑÇÖÞ'
WHEN 'ÈÕ±¾'     THEN 'ÑÇÖÞ'
WHEN 'ÃÀ¹ú'     THEN '±±ÃÀÖÞ'
WHEN '¼ÓÄôó' THEN '±±ÃÀÖÞ'
WHEN 'Ä«Î÷¸ç' THEN '±±ÃÀÖÞ'
ELSE 'ÆäËû' END
from    Table_A
GROUP BY CASE country
WHEN 'Öйú'     THEN 'ÑÇÖÞ'
WHEN 'Ó¡¶È'     THEN 'ÑÇÖÞ'
WHEN 'ÈÕ±¾'     THEN 'ÑÇÖÞ'
WHEN 'ÃÀ¹ú'     THEN '±±ÃÀÖÞ'
WHEN '¼ÓÄôó' THEN '±±ÃÀÖÞ'
WHEN 'Ä«Î÷¸ç' THEN '±±ÃÀÖÞ'
ELSE 'ÆäËû' END;
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