Я пытался создать запрос, который объединяет два набора таблиц, используя несколько столбцов.Я попытался назначить псевдонимы каждому столбцу, но я все еще получаю ошибку (ORA-00918: столбец определен неоднозначно) без номера строки / направления, с которым у оракула столбца возникла проблема.Может кто-нибудь, пожалуйста, помогите мне?Застрял в этом вопросе в течение нескольких часов.Мой код ниже, спасибо заранее!
SELECT *
FROM
(select v.value_id as i_value_id
, v.value_nb as i_value_nb
, v.utc_offset as i_utc_offset
, v.data_Date as i_data_date
, v.hr_utc as i_hr_utc
, v.utc_offset as i_utc_offset
, v.hr as i_hr
, v.hr_num as i_hr_num
, v.data_Code as i_data_code
, v.Code as i_code
, ff.form_Field_tx as i_form_field_tx
, sv.submission_value_id as i_submission_value_id
, s.submission_name_tx as i_submission_name_tx
, s.submission_id as i_submission_id
, fl.form_line_tx as i_form_line_tx
, fs.form_section_tx as i_form_section_tx
, sf.form_name_tx as i_form_name_tx
, sf.form_label_tx as i_form_label_tx
, sf.form_number_tx as i_form_number_tx
, sf.survey_id as i_survey_id
from value v
join sub_value sv on v.value_id = sv.value_id
join form_Field ff on sv.form_Field_id = ff.form_Field_id
join sub s on sv.submission_id = s.submission_id
LEFT OUTER JOIN form_line fl ON ff.form_line_id = fl.form_line_id
LEFT OUTER JOIN form_section fs ON fl.form_section_id = fs.form_section_id
LEFT OUTER JOIN survey_form sf ON fs.survey_form_id = sf.survey_form_id) subq1
JOIN
(select va.value_id as o_value_Id
, va.value_nb as o_value_nb
, va.utc_offset as o_utc_offset
, va.data_Date as o_data_date
, va.hr_utc as o_hr_utc
, va.hr as o_hr
, va.hr_num as o_hr_num
, va.data_Code as o_data_Code
, va.balancing_Authority_Code as o_balancing_authority_code
, ff2.form_Field_tx as o_form_field_tx
, sva.submission_value_id as o_submission_value_id
, s.submission_id as o_submission_id
, fl.form_line_tx as o_form_line_tx
, fs.form_section_tx as o_form_section_tx
, sf.form_name_tx as o_form_name_tx
, sf.form_label_tx as o_form_label_tx
, sf.form_number_tx as o_form_number_tx
, sf.survey_id as o_survey_id
from submission s
join submission_value_audit sva on s.submission_id = sva.submission_id
join value_audit va on sva.value_id = va.value_id
join form_Field ff2 on sva.form_Field_id = ff2.form_Field_id
LEFT OUTER JOIN form_line fl ON ff2.form_line_id = fl.form_line_id
LEFT OUTER JOIN form_section fs ON fl.form_section_id = fs.form_section_id
LEFT OUTER JOIN survey_form sf ON fs.survey_form_id = sf.survey_form_id) subq2
on subq1.sub_id = subq2.sub_id
on subq1.code = subq2.code;