我有一个如下产生结果的查询:表中的转换行的值到一个连接字符串
Clients.Firstname Client_ID Employees.firstname
John 123 Heath
John 123 Cathy
John 123 Heidi
Mary 456 Chris
Mary 456 Thomas
Alex 567 Heidi
理想我想给雇员的名字结合文字的每个记录,以避免多行(这些都是监督员和一个客户端可能有许多监事),即:
John 123 Heath, Cathy, Heidi
Mary 456 Chris, Thomas
Alex 567 Heidi
我一直在阅读有关XML PATH和东西,但因为我,我挣扎了很初级用户,使其工作。任何建议将不胜感激。
这是我的SQL查询:
SELECT CLIENTS.ALIAS, CLIENTS.BIRTHDATE,
CLIENTS.CURR_ADDR1, CLIENTS.CURR_ADDR2,
CLIENTS.CURR_CITY, CLIENTS.CURR_POST,
CLIENTS.CURR_PROV, CLIENTS.EMAILADDR,
CLIENTS.FIRSTNAME, CLIENTS.GENDER,
CLIENTS.HOME_PHONE, CLIENTS.LASTNAME,
CLIENTS.CCELL, CLIENTS.PERMADDR_1,
CLIENTS.PERMADDR_2, CLIENTS.PERM_CITY,
CLIENTS.PERM_POST, CLIENTS.PERM_PROV,
CLIENTS.SALUTATION, CLTDEPT.DEPT_ID,
CLTDEPT.STATUS, CLTDEPT.CLTVISITOR_ID,
CLIENTS.ETHNICITY, CLIENTS.COUNTRYOFBIRTH,
CLIENTS.REFERRAL, CLTSUPERS.SUPER_ID,
EMPLOYEES.FIRSTNAME FIRSTNAME_2
FROM CLIENTS CLIENTS
INNER JOIN CLTDEPT CLTDEPT ON
(CLTDEPT.CLTVISITOR_ID = CLIENTS.CLIENT_ID)
INNER JOIN CLTSUPERS CLTSUPERS ON
(CLTSUPERS.CLTVISITOR_ID = CLTDEPT.CLTVISITOR_ID)
AND (CLTSUPERS.DEPT_ID = CLTDEPT.DEPT_ID)
INNER JOIN EMPLOYEES EMPLOYEES ON
(EMPLOYEES.EMP_ID = CLTSUPERS.SUPER_ID)
WHERE (CLTDEPT.DEPT_ID = 'P123')
AND (CLTDEPT.STATUS = 'A')
AND (CLIENTS.ATTENDANCE = 'F')
标签与正在使用的数据库你的问题。 –
您的问题中包含的查询不会在您的示例输出中生成任何字段! –