Question

我正在尝试找到以下设备：

“实例名称”
“instancename
列instancename

但是我想排除两个条目都为真的所有结果，直到现在我都没有这样做。无论我尝试什么，当1和2都是真的时候，它就像是假的......

SELECT DISTINCT 
    Devices.DeviceName
FROM
    Devices
LEFT OUTER JOIN 
    CustInv_ObjType_6121 BCMModulesVersions ON Devices.DeviceID = BCMModulesVersions.DeviceID
LEFT OUTER JOIN 
    InventoryIntegrationData InventoryUpdate ON Devices.DeviceID = InventoryUpdate.DeviceID
WHERE  
    ((BCMModulesVersions.InstanceName NOT IN ('PatchManagementPremium', 'RemoteControl'))
    AND (InventoryUpdate.IntegrationDate IS NOT NULL)
    AND Devices.TopologyType IN ('_DB_DEVTYPE_CLIENT_', '_DB_DEVTYPE_RELAY_'))
ORDER BY 
    Devices.DeviceName ASC;

更清楚：我支持可以加载或不加载多个模块的应用程序。该信息存储在数据库中。加载模块后，您将在该设备的列instancename中找到其名称（remotecontrol，patchmanagementpremium等）。

我想列出未加载模块remotecontrol的所有设备，或者未加载模块补丁或未加载两个模块。

如果两个条目都已加载，则devicename不应位于查询的输出中。

Answer 1

如果我理解正确，你基本上可以这样做：

WHERE NOT(1 AND 2) AND (1 OR 2)

Answer 2

将过滤器移至HAVING子句并执行条件计数

这是一种方法

SELECT Devices.DeviceName
FROM   Devices
       JOIN CustInv_ObjType_6121 BCMModulesVersions
         ON Devices.DeviceID = BCMModulesVersions.DeviceID
       JOIN InventoryIntegrationData InventoryUpdate
         ON Devices.DeviceID = InventoryUpdate.DeviceID
WHERE  ( InventoryUpdate.IntegrationDate IS NOT NULL )
       AND Devices.TopologyType IN ( '_DB_DEVTYPE_CLIENT_', '_DB_DEVTYPE_RELAY_' )
GROUP  BY Devices.DeviceName
HAVING Count(CASE
               WHEN BCMModulesVersions.InstanceName IN ( 'PatchManagementPremium', 'RemoteControl' ) THEN 1
             END) = 0

Answer 3

我想你可以在这里使用NOT EXISTS。

SELECT DISTINCT
        Devices.DeviceName
FROM    Devices
        INNER JOIN InventoryIntegrationData InventoryUpdate ON Devices.DeviceID = InventoryUpdate.DeviceID
WHERE   InventoryUpdate.IntegrationDate IS NOT NULL
        AND Devices.TopologyType IN ('_DB_DEVTYPE_CLIENT_','_DB_DEVTYPE_RELAY_')
        AND NOT EXISTS ( SELECT 1
                         FROM   CustInv_ObjType_6121 BCMModulesVersions
                         WHERE  Devices.DeviceID = BCMModulesVersions.DeviceID
                                AND BCMModulesVersions.InstanceName IN ('PatchManagementPremium','RemoteControl'))
ORDER BY Devices.DeviceName ASC;

如果您只想在两个值都存在的情况下排除，则可以使用。

SELECT DISTINCT
        Devices.DeviceName
FROM    Devices
        JOIN InventoryIntegrationData InventoryUpdate ON Devices.DeviceID = InventoryUpdate.DeviceID
WHERE   InventoryUpdate.IntegrationDate IS NOT NULL
        AND Devices.TopologyType IN ('_DB_DEVTYPE_CLIENT_','_DB_DEVTYPE_RELAY_')
        AND 2 > ( SELECT COUNT(DISTINCT BCMModulesVersions.InstanceName)
                         FROM   CustInv_ObjType_6121 BCMModulesVersions
                         WHERE  Devices.DeviceID = BCMModulesVersions.DeviceID
                                AND BCMModulesVersions.InstanceName IN ('PatchManagementPremium','RemoteControl'))
ORDER BY Devices.DeviceName ASC;

Answer 4

我认为你说这两个案件中的一个或两个都缺失了（所以他们都不在场）

SELECT DISTINCT 
    Devices.DeviceName
FROM
    Devices
LEFT OUTER JOIN 
    CustInv_ObjType_6121 BCMModulesVersions ON Devices.DeviceID = BCMModulesVersions.DeviceID
LEFT OUTER JOIN 
    InventoryIntegrationData InventoryUpdate ON Devices.DeviceID = InventoryUpdate.DeviceID
WHERE  

    (NOT EXISTS (SELECT 0 FROM CustInv_ObjType_6121 X WHERE X.InstanceName IN('RemoteControl'))
        OR
     NOT EXISTS (SELECT 0 FROM CustInv_ObjType_6121 Y WHERE Y.InstanceName IN('PatchManagementPremium'))
    )
    AND (InventoryUpdate.IntegrationDate IS NOT NULL)
    AND Devices.TopologyType IN ('_DB_DEVTYPE_CLIENT_', '_DB_DEVTYPE_RELAY_')
ORDER BY 
    Devices.DeviceName ASC;

Answer 5

感谢JamieD77，我找到了解决方案！：）

SELECT DISTINCT
        Devices.DeviceName
FROM    Devices
        JOIN InventoryIntegrationData InventoryUpdate ON Devices.DeviceID = InventoryUpdate.DeviceID
        JOIN CustInv_ObjType_6121 BCMModulesVersions ON Devices.DeviceID = BCMModulesVersions.DeviceID
WHERE   InventoryUpdate.IntegrationDate IS NOT NULL
        AND Devices.TopologyType IN ('_DB_DEVTYPE_CLIENT_','_DB_DEVTYPE_RELAY_')
        AND BCMModulesVersions.InstanceName NOT IN ('PatchManagement','RemoteControl')
        AND 2 > ( SELECT COUNT(DISTINCT BCMModulesVersions.InstanceName)
                         FROM   CustInv_ObjType_6121 BCMModulesVersions
                         WHERE  Devices.DeviceID = BCMModulesVersions.DeviceID
                                AND BCMModulesVersions.InstanceName IN ('PatchManagementPremium','RemoteControl'))
ORDER BY Devices.DeviceName ASC;

感谢大家的帮助！

WHERE <cond> OR <cond>但不是两者兼而有之

5 个答案: