exclude items based on field value - sql

Question

I've created a view using the below script but one of the fields is pulling back information that I don't need. Within the 'IsServer' column, items that are servers are marked with a 1 and items that aren't servers are marked with a 0. Is there a way of creating the view and exclude items that are servers that are marked as 1 in the IsServer column? I'm unsure how to build this into the create view script.
CREATE VIEW [dbo].[vw_Cherwell_Machines] AS
SELECT dbo.rptComputers.HostName,
dbo.rptComputers.Vendor,
dbo.tblComputer.IsVirtual,
dbo.rptComputers.ProcessorCount,
dbo.tblComputer.IsServer,
dbo.rptComputers.BiosSerialNumber,
dbo.rptComputers.PhysicalMemory,
dbo.rptComputers.ProcessorType,
dbo.rptComputers.ProcessorSpeed,
dbo.rptComputers.MostFrequentUser,
dbo.tblComputer.Domain,
dbo.rptComputers.ClientVersion,
dbo.rptComputers.ClientInstallDate,
dbo.rptComputers.ClientConfigurationName,
dbo.rptComputers.BiosVersion,
dbo.rptComputers.BiosDate,
dbo.rptComputers.Manufacturer,
dbo.rptComputers.Model,
dbo.rptComputers.IsPortable,
dbo.rptComputers.OperatingSystem,
dbo.tblComputer.OSServicePack,
dbo.rptComputers.ComputerStatusCode,
dbo.rptComputers.IPAddress AS 'MultipleIPAddress',
CASE WHEN PATINDEX ('%[, ]%',dbo.rptComputers.IPAddress) > 0 THEN
left(dbo.rptComputers.IPAddress,(PATINDEX('%[, ]%',dbo.rptComputers.IPAddress))-1)
ELSE dbo.rptComputers.IPAddress
END AS 'IPAddress',
dbo.rptComputers.LastScanDate
FROM dbo.rptComputers INNER JOIN dbo.tblComputer ON dbo.rptComputers.CID = dbo.tblComputer.CID
AND dbo.rptComputers.ComputerID = dbo.tblComputer.ComputerID
GROUP BY dbo.rptComputers.HostName,
dbo.tblComputer.IsVirtual,
dbo.rptComputers.Vendor,
dbo.rptComputers.ProcessorCount,
dbo.rptComputers.BiosSerialNumber,
dbo.tblComputer.IsServer,
dbo.rptComputers.PhysicalMemory,
dbo.rptComputers.ProcessorType,
dbo.rptComputers.ProcessorSpeed,
dbo.rptComputers.MostFrequentUser,
dbo.tblComputer.Domain,
dbo.rptComputers.ClientVersion,
dbo.rptComputers.ClientInstallDate,
dbo.rptComputers.ClientConfigurationName,
dbo.rptComputers.BiosVersion,
dbo.rptComputers.BiosDate,
dbo.rptComputers.Manufacturer,
dbo.rptComputers.Model,
dbo.rptComputers.IsPortable,
dbo.rptComputers.OperatingSystem,
dbo.tblComputer.OSServicePack,
dbo.rptComputers.ComputerStatusCode,
dbo.rptComputers.IPAddress,
dbo.rptComputers.LastScanDate

Answer 1

You need a filtered view; i.e., a view with a WHERE clause. Something like this (I marked off in comments the begin/end of my addition to your code):
CREATE VIEW [dbo].[vw_Cherwell_Machines] AS
SELECT dbo.rptComputers.HostName,
dbo.rptComputers.Vendor,
dbo.tblComputer.IsVirtual,
dbo.rptComputers.ProcessorCount,
dbo.tblComputer.IsServer,
dbo.rptComputers.BiosSerialNumber,
dbo.rptComputers.PhysicalMemory,
dbo.rptComputers.ProcessorType,
dbo.rptComputers.ProcessorSpeed,
dbo.rptComputers.MostFrequentUser,
dbo.tblComputer.Domain,
dbo.rptComputers.ClientVersion,
dbo.rptComputers.ClientInstallDate,
dbo.rptComputers.ClientConfigurationName,
dbo.rptComputers.BiosVersion,
dbo.rptComputers.BiosDate,
dbo.rptComputers.Manufacturer,
dbo.rptComputers.Model,
dbo.rptComputers.IsPortable,
dbo.rptComputers.OperatingSystem,
dbo.tblComputer.OSServicePack,
dbo.rptComputers.ComputerStatusCode,
dbo.rptComputers.IPAddress AS 'MultipleIPAddress',
CASE WHEN PATINDEX ('%[, ]%',dbo.rptComputers.IPAddress) > 0 THEN
left(dbo.rptComputers.IPAddress,(PATINDEX('%[, ]%',dbo.rptComputers.IPAddress))-1)
ELSE dbo.rptComputers.IPAddress
END AS 'IPAddress',
dbo.rptComputers.LastScanDate
FROM dbo.rptComputers INNER JOIN dbo.tblComputer ON dbo.rptComputers.CID = dbo.tblComputer.CID
AND dbo.rptComputers.ComputerID = dbo.tblComputer.ComputerID
/*begin change*/
WHERE tblComputer.IsServer = 0
/*end change*/
GROUP BY dbo.rptComputers.HostName,
dbo.tblComputer.IsVirtual,
dbo.rptComputers.Vendor,
dbo.rptComputers.ProcessorCount,
dbo.rptComputers.BiosSerialNumber,
dbo.tblComputer.IsServer,
dbo.rptComputers.PhysicalMemory,
dbo.rptComputers.ProcessorType,
dbo.rptComputers.ProcessorSpeed,
dbo.rptComputers.MostFrequentUser,
dbo.tblComputer.Domain,
dbo.rptComputers.ClientVersion,
dbo.rptComputers.ClientInstallDate,
dbo.rptComputers.ClientConfigurationName,
dbo.rptComputers.BiosVersion,
dbo.rptComputers.BiosDate,
dbo.rptComputers.Manufacturer,
dbo.rptComputers.Model,
dbo.rptComputers.IsPortable,
dbo.rptComputers.OperatingSystem,
dbo.tblComputer.OSServicePack,
dbo.rptComputers.ComputerStatusCode,
dbo.rptComputers.IPAddress,
dbo.rptComputers.LastScanDate
Documentation: https://learn.microsoft.com/en-us/sql/relational-databases/indexes/create-filtered-indexes?view=sql-server-ver15 Be sure to see the "limitations" section there, in case there's something in your environment which will not work here.