DELETE
a.*,
b.*
FROM
domain_project_tbl b
RIGHT JOIN project_tbl a ON a.sn = b.project_sn
WHERE
a.name = ''
AND a.is_del !=1
DELIMITER $
CREATE TRIGGER del_d_p BEFORE DELETE ON project_tbl FOR EACH ROW
BEGIN
DELETE
FROM
domain_project_tbl
WHERE
project_sn = ( SELECT ifnull( sn, '' ) FROM project_tbl WHERE NAME = '' );
END$
一条sql删除多个表中的数据
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转载自blog.csdn.net/qq_39822451/article/details/85599538
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