update hh set risk_level =(CASE WHEN value >15 THEN "HIGH"
WHEN value <15 and value >10 THEN "MIDDLE"
WHEN value <10 THEN "LOW" END ) WHERE relation_type="OINT"
sql 列值不同情况下的列更新sql
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转载自blog.csdn.net/icool_ali/article/details/81134124
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