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How Do I Do an SQL Update From a Field on a Table Join?
Posted on 2011-09-08
I need to update tblDatabase status field to 'P' where tblnstance.Server_Name does not exist in my subquery. I am getting an error on my table joins.
Code Below:
UPDATE tblDatabase SET tblDatabase.status = 'P'
FROM tblApplication INNER JOIN
tblDBAppRel ON tblApplication.Application
tblDatabase ON tblDatabase.Database_Id = tblDBAppRel.Database_Id LEFT OUTER JOIN
tblInstance ON tblDatabase.Instance_id = tblInstance.Instance_id
WHERE tblInstance.Server_Name NOT IN
(SELECT Server_Name
FROM #DBWDAIInventory
WHERE Server_Name IN (SELECT Server_Name FROM tblMSSQLExtract)
)
How do you write this query correctly?
Thanks,
Dan
Code Below:
UPDATE tblDatabase SET tblDatabase.status = 'P'
FROM tblApplication INNER JOIN
tblDBAppRel ON tblApplication.Application
tblDatabase ON tblDatabase.Database_Id = tblDBAppRel.Database_Id LEFT OUTER JOIN
tblInstance ON tblDatabase.Instance_id = tblInstance.Instance_id
WHERE tblInstance.Server_Name NOT IN
(SELECT Server_Name
FROM #DBWDAIInventory
WHERE Server_Name IN (SELECT Server_Name FROM tblMSSQLExtract)
)
How do you write this query correctly?
Thanks,
Dan
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2 Comments
Your statement seems a little contradictory
LEFT OUTER JOIN tblInstance ON tblDatabase.Instance_id = tblInstance.Instance_id
WHERE tblInstance.Server_Name NOT IN
try
LEFT OUTER JOIN tblInstance ON tblDatabase.Instance_id = tblInstance.Instance_id
WHERE tblInstance.Server_Name NOT IN
try
;with cte as
(
select tblDatabase.Instance_id, tblDatabase.status
from tblDatabase
INNER JOIN tblDBAppRel ON tblDatabase.Database_Id = tblDBAppRel.Database_Id
inner join tblApplication ON tblApplication.Application_Id = tblDBAppRel.Application_Id
inner JOIN tblInstance ON tblDatabase.Instance_id = tblInstance.Instance_id
WHERE tblInstance.Server_Name NOT IN
(SELECT Server_Name
FROM #DBWDAIInventory
WHERE Server_Name IN (SELECT Server_Name FROM tblMSSQLExtract)
)
)
UPDATE cte
SET [status] = 'P'
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