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MYSQL的EXISTS查询示例,MySQL一对多原生sql语句
米醋儿
发布于:2022-01-20
mysql用exist关键词查询即可使用一对多关联模型。 ``` SELECT cs.thumb_image, enf.dealer_code, enf.plate_number, enf.enter_factory_reason, enf.contacts_type, enf.vehicle_series, job.confirm_time, job.waiting_dispatch_num, job.dispatched_num, job.id FROM micuer_job AS job LEFT JOIN micuer_job_group AS jbg ON job.group_id = jbg.id LEFT JOIN micuer_vehicle_enter_factory AS enf ON jbg.enter_factory_id = enf.id LEFT JOIN micuer_car_series AS cs ON enf.vehicle_series_id = cs.id WHERE job.STATUS = 4 AND job.dispatched_num > 0 AND EXISTS ( SELECT profession FROM micuer_job_items AS child WHERE child.profession = '喷漆' AND child.job_id = job.id ) ORDER BY job.confirm_time DESC ```
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最后修改与 2022-02-21
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