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CASE sex
WHEN '1' THEN 'ÄÐ'
WHEN '2' THEN 'Å®'
ELSE 'ÆäËû' END
--CaseËÑË÷º¯Êý
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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600
ÃÀ¹ú
100
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300
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µÂ¹ú
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SELECT SUM(population),
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
from Table_A
GROUP BY CASE country
WHEN 'Öйú' THEN 'ÑÇÖÞ'
WHEN 'Ó¡¶È' THEN 'ÑÇÖÞ'
WHEN 'ÈÕ±¾' THEN 'ÑÇÖÞ'
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WHEN '¼ÓÄôó' THEN '±±ÃÀÖÞ'
WHEN 'Ä«Î÷¸ç' THEN '±±ÃÀÖÞ'
ELSE 'ÆäËû' END;
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