在Activiti开发中，经常会产生大量垃圾数据，这时候就需要清理Activiti数据库，但是Activiti数据库中存在大量外键约束，所以就需要按顺序删除相关数据，具体顺序如下： DELETE FROM act_hi_attachment; DELETE FROM act_hi_comment; DELETE FROM act_hi_detail; DELETE FROM act_hi_actinst; DELETE FROM act_hi_identitylink; DELETE FROM act_hi_procinst; DELETE FROM act_hi_……