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我在SQL Server查詢集團在SQL Server
SELECT
k12_dms_contacts_master.prefix_id AS prefix,
k12_dms_contacts_master.first_name,
k12_dms_contacts_master.last_name,
k12_dms_contacts_master.email,
k12_dms_institution_master.inst_name,
k12_dms_institution_master.address,
k12_dms_cities.name AS city_name,
k12_dms_zip_codes.zip_code,
k12_dms_institution_master.type_id,
k12_dms_contacts_institution_jobtitles.glevel_id,
k12_dms_districts.name AS district_name,
k12_dms_counties.name AS county_name,
k12_dms_institution_master.state_id,
k12_dms_institution_master.phone,
k12_dms_contacts_institution_jobtitles.job_title_id
FROM
k12_dms_institution_master
INNER JOIN k12_dms_contacts_institution_jobtitles ON k12_dms_contacts_institution_jobtitles.inst_id = k12_dms_institution_master.id
INNER JOIN k12_dms_contacts_master ON k12_dms_contacts_institution_jobtitles.contact_id = k12_dms_contacts_master.id
INNER JOIN k12_dms_cities ON k12_dms_cities.id = k12_dms_institution_master.city_id
INNER JOIN k12_dms_districts ON k12_dms_districts.id = k12_dms_institution_master.district_id
INNER JOIN k12_dms_counties ON k12_dms_counties.id = k12_dms_institution_master.county_id
INNER JOIN k12_dms_zip_codes ON k12_dms_zip_codes.id = k12_dms_institution_master.zip_code_id
WHERE
k12_dms_zip_codes.zip_code IN ('92678', '92679', '92688', '92690', '92691', '92692', '92693', '92694', '92877',
'92879', '92881', '92883')
ORDER BY
k12_dms_institution_master.state_id,
k12_dms_institution_master.inst_name ASC
現在,我要上的電子郵件地址和機構名稱進行GROUP BY
但我得到這個錯誤:
Column 'k12_dms_contacts_master.prefix_id' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause.
任何幫助將是非常可觀的。
^他說什麼。或者,要更多地考慮:**在select語句中的每個**字段**在集合函數中使用的NOT ** **必須在group by子句中。根據我的統計,在問題的查詢中,小組必須包含15個字段。 – RobIII 2012-07-13 10:26:19
是的,但對所有提取的字段進行分組會導致錯誤:文本,ntext和圖像數據類型無法進行比較或排序,除非使用IS NULL或LIKE運算符。 – user1163513 2012-07-13 10:28:53
好吧,你有一個文本字段?你不能在文本字段中使用GROUP BY。嘗試將其轉換爲varchar(選擇並分組),然後使用,如果您確定數據是否在特定長度內 – mihaisimi 2012-07-13 10:34:24