把b表的name给a表的name
UPDATE table_a a
LEFT JOIN
table_b b
ON p.id= a.uid
SET a.name = b.name
WHERE a.name != ''
mysql 两表关联更新
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2022-06-30
把b表的name给a表的name
UPDATE table_a a
LEFT JOIN
table_b b
ON p.id= a.uid
SET a.name = b.name
WHERE a.name != ''
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