已删除的值文件。更重要的是，基于串联格式并从字段值中排除逗号，这对于CSV来说是一个很好的机会。如果客户端选择忽略其他列，则第二种方法将起作用（并且更简单）。显然，我们不知道客户机，但我猜它是SQL*Plus（或SQL Developer），主要是因为如果

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已删除的值文件。更重要的是，基于串联格式并从字段值中排除逗号，这对于CSV来说是一个很好的机会。如果客户端选择忽略其他列，则第二种方法将起作用（并且更简单）。显然，我们不知道客户机，但我猜它是SQL*Plus（或SQL Developer），主要是因为如果是JDBC或其他什么，您可以稍后进行连接。如果是这样，则

列名\u 1 noprint

等将给出所需的输出。@AlexPoole是的，你是对的，但还有更多的可能性。例如，自定义报告引擎的某些变体，将通用查询结果集卸载到Excel或逗号分隔值文件。更重要的是，基于串联格式，并从字段值中排除逗号，这对于CSV来说是一个很好的机会。

SELECT DISTINCT
    AH.NAME_1||','||
    REPLACE(A.ACTIVE_DC,',','/')||','||
    REPLACE(A.PASSIVE_DC,',','/')||','||    
    REPLACE(H.ENVIRONMENT,',','/')||','||
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x')||','||
    H.FULL_NAME||','||
    H.PRIMARY_IP||','||
    H.COMPLIANCE||','||
    H.OS
FROM
    HOST H
FULL OUTER JOIN
    APP_HOST AH ON
        AH.ID_2 = H.ID
FULL OUTER JOIN
    HOST_SVR HS ON
        HS.ID_1 = H.ID
FULL OUTER JOIN 
    APP A ON
        AH.ID_1 = A.ID          
FULL OUTER JOIN
    SVR S ON
        HS.ID_2 = S.ID     
WHERE S.NAME IS NOT NULL     
ORDER BY
    AH.NAME_1,
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x'),
    H.FULL_NAME

SELECT RESULT
FROM (
    SELECT DISTINCT AH.NAME_1,
        REPLACE(REPLACE(S.NAME,',','-'),'_x','-x') AS NAME,
        H.FULL_NAME,
        AH.NAME_1||','||
        REPLACE(A.ACTIVE_DC,',','/')||','||
        REPLACE(A.PASSIVE_DC,',','/')||','||    
        REPLACE(H.ENVIRONMENT,',','/')||','||
        REPLACE(REPLACE(S.NAME,',','-'),'_x','-x')||','||
        H.FULL_NAME||','||
        H.PRIMARY_IP||','||
        H.COMPLIANCE||','||
        H.OS AS RESULT
    FROM
        HOST H
    FULL OUTER JOIN
        APP_HOST AH ON
            AH.ID_2 = H.ID
    FULL OUTER JOIN
        HOST_SVR HS ON
            HS.ID_1 = H.ID
    FULL OUTER JOIN 
        APP A ON
            AH.ID_1 = A.ID          
    FULL OUTER JOIN
        SVR S ON
            HS.ID_2 = S.ID     
    WHERE S.NAME IS NOT NULL     
)
ORDER BY
    NAME_1,
    NAME,
    FULL_NAME

SELECT DISTINCT
    AH.NAME||','||
    REPLACE(A.ACTIVE_DC,',','/')||','||
    REPLACE(A.PASSIVE_DC,',','/')||','||    
    REPLACE(H.ENVIRONMENT,',','/')||','||
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x')||','||
    H.FULL_NAME||','||
    H.PRIMARY_IP||','||
    H.COMPLIANCE||','||
    H.OS
FROM
    HOST H
FULL OUTER JOIN
    APP_HOST AH ON
        AH.ID_2 = H.ID
FULL OUTER JOIN
    HOST_SVR HS ON
        HS.ID_1 = H.ID
FULL OUTER JOIN 
    APP A ON
        AH.ID_1 = A.ID          
FULL OUTER JOIN
    SVR S ON
        HS.ID_2 = S.ID     
WHERE S.NAME IS NOT NULL     
ORDER BY
    -- same as selected
    AH.NAME||','||
    REPLACE(A.ACTIVE_DC,',','/')||','||
    REPLACE(A.PASSIVE_DC,',','/')||','||    
    REPLACE(H.ENVIRONMENT,',','/')||','||
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x')||','||
    H.FULL_NAME||','||
    H.PRIMARY_IP||','||
    H.COMPLIANCE||','||
    H.OS

SELECT DISTINCT
    AH.NAME||','||
    REPLACE(A.ACTIVE_DC,',','/')||','||
    REPLACE(A.PASSIVE_DC,',','/')||','||    
    REPLACE(H.ENVIRONMENT,',','/')||','||
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x')||','||
    H.FULL_NAME||','||
    H.PRIMARY_IP||','||
    H.COMPLIANCE||','||
    H.OS,
    -- next from order by
    AH.NAME_1,
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x'),
    H.FULL_NAME
FROM
    HOST H
FULL OUTER JOIN
    APP_HOST AH ON
        AH.ID_2 = H.ID
FULL OUTER JOIN
    HOST_SVR HS ON
        HS.ID_1 = H.ID
FULL OUTER JOIN 
    APP A ON
        AH.ID_1 = A.ID          
FULL OUTER JOIN
    SVR S ON
        HS.ID_2 = S.ID     
WHERE S.NAME IS NOT NULL     
ORDER BY
    AH.NAME_1,
    REPLACE(REPLACE(S.NAME,',','-'),'_x','-x'),
    H.FULL_NAME

  select 
    full_string
  from (
    SELECT DISTINCT
        (
          AH.NAME||','||
          REPLACE(A.ACTIVE_DC,',','/')||','||
          REPLACE(A.PASSIVE_DC,',','/')||','||    
          REPLACE(H.ENVIRONMENT,',','/')||','||
          REPLACE(REPLACE(S.NAME,',','-'),'_x','-x')||','||
          H.FULL_NAME||','||
          H.PRIMARY_IP||','||
          H.COMPLIANCE||','||
          H.OS
        ) as full_string,
        -- next from order by
        AH.NAME_1,
        REPLACE(REPLACE(S.NAME,',','-'),'_x','-x') S_NAME_REPLACE,
        H.FULL_NAME,
    FROM
        HOST H
    FULL OUTER JOIN
        APP_HOST AH ON
            AH.ID_2 = H.ID
    FULL OUTER JOIN
        HOST_SVR HS ON
            HS.ID_1 = H.ID
    FULL OUTER JOIN 
        APP A ON
            AH.ID_1 = A.ID          
    FULL OUTER JOIN
        SVR S ON
            HS.ID_2 = S.ID     
    WHERE S.NAME IS NOT NULL     
  )
  ORDER BY
      NAME_1,
      S_NAME_REPLACE,
      FULL_NAME