MySql 部分字段去重，
select * from personal_question_answer where answer_id in (
select min(answer_id) from personal_question_answer where family_member_id='csaads16asadafds156aa' group by question_code
) ORDER BY question_code
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MySql 部分字段去重， select * from personal_question_answer where answer_id in ( select min (answer_id) from personal_question_answer where family_member_id = ' csaads16asadafds156aa ' group by question_code) ORDER BY question_code...
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