合并第二行编号（如果存在）到第一行的第2列或第3列

Question

DECLARE @TABLE TABLE
(
CustNO VARCHAR (50),    
RelationNo VARCHAR (50),    
POSTCODE VARCHAR (50),
PHONE001 VARCHAR (50),  
PHONE002 VARCHAR (50),  
PHONE003 VARCHAR (50)
)
INSERT @TABLE

SELECT 'A0002023','N195UN','121408',    '02075614860','','' UNION ALL   
SELECT 'A0002023','N195UN','121408',    '0207561860','',''  UNION ALL
SELECT 'E3085141','15252','408121', '5566456',  '', ''  UNION ALL
SELECT 'E3085141','15252','408121', '256756616',    '', ''  UNION ALL
SELECT 'ZBT5489','88888','555555',  '6665589',  '', '' UNION ALL
SELECT 'JEZTSUR1','9999','558121',  '9986141',  '', ''  UNION ALL
SELECT 'JEZTSUR1','9999','558121',  '963283',   '', ''  UNION ALL
SELECT 'JEZTSUR1','9999','558121',  '679971',   '', ''

当CustNo，RelationNo和PhoneNumber匹配时，尝试合并

的电话号码

第二行合并到第一行的第二或第三个电话号码。

输出

 CustNO   |  Relationnumber|phone001| phone002|phone003
    A0002023|   N195UN| 121408| 02075614860|0207561860|''   
    E3085141|   15252|  408121| 5566456|256756616|''    
    ZBT5489 |    88888| 555555| 6665589|''|''   
    JEZTSUR1|   9999|   558121| 9986141|963283| 679971  

Answer 1

检查这个。

        SELECT distinct
              m.CustNO
            , m.RelationNo
            , m.POSTCODE
            , PHONE001 = STUFF((
                  SELECT ',' + md.PHONE001
                  FROM dbo.@TABLE md
                  WHERE m.CustNO = md.CustNO and m.RelationNo = md.RelationNo and m.POSTCODE = md.POSTCODE 
                  FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'), 1, 1, '')
        FROM dbo.@TABLE m

  

OutPut：