UPDATE t_a AS source ,(SELECT id FROM t_a WHERE MONTH ='2013-11' AND
neId IN (SELECT id FROM t_n WHERE ip IN(
'17.4.23.23','17.4.12.45'
))) AS temp SET VALUE=
'a'
WHERE MONTH ='2013-11' AND source.id = temp.id
通过子查询结果作为临时表,然后作为条件;mysql的update 不支持in操作。
mysql 批量update
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转载自jenniferamanda.iteye.com/blog/1984151
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