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The best way to disbale the database

Posted on 2011-03-17
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Last Modified: 2012-05-11
What's the best way to disable the database so that it is still available to manually run querries on but so that if it is not used it does not consume server resources?
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Question by:YZlat
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9 Comments
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 35156709
you can change the database to be READ_ONLY:
http://msdn.microsoft.com/en-us/library/aa275464%28v=sql.80%29.aspx
ALTER DATABASE your_db SET READ_ONLY

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however, it will nevertheless need resources to run those queries, and the data queries will stay for some time in the cache.
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LVL 35

Author Comment

by:YZlat
ID: 35156944
any other ways? I need to make sure that no scheduled tasks for that database run. I disabled them but it still shows that the database takes up resources
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LVL 14

Expert Comment

by:Daniel_PL
ID: 35156977
ALTER DATABASE <dbname> SET OFFLINE
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LVL 14

Expert Comment

by:Daniel_PL
ID: 35156990
With forcing rollback:
ALTER DATABASE <dbname> SET RESTRICTED_USER WITH ROLLBACK IMMEDIATE
ALTER DATABASE <dbname> SET OFFLINE WITH ROLLBACK IMMEDIATE
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LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 250 total points
ID: 35157023
you can indeed put the database offline, but then you cannot query "manually" unless you put it back online.

> but it still shows that the database takes up resources
how do you see that?

indeed, scheduled tasks are not "aware" of the source database being "offline", so they will still run (unless disabled), and run into error.

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LVL 35

Author Comment

by:YZlat
ID: 35158505
@angelIII what I meant by "scheduled tasks" is scheduled jobs

@Daniel_PL what exactly will set offline do for the database?
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LVL 14

Expert Comment

by:Daniel_PL
ID: 35159533
Database in oofline state is not available to any query against it - except of system views.
What do you mean by consume server resources?
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LVL 35

Author Comment

by:YZlat
ID: 35164804
meaning some programs (old ones that people didn't uninstall for some reason) are still running queries against that database. I would like to disable that but allow myself to run queriees occasionally using Management studio
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LVL 14

Assisted Solution

by:Daniel_PL
Daniel_PL earned 250 total points
ID: 35165046
Ok, I see, you have these options:

ALTER DATABASE your_db SET READ_ONLY  --database can be queried by all users, no changes are available

ALTER DATABASE <dbname> SET RESTRICTED_USER --database is available only to sysadmin or dbcreator server roles, or users with the db_owner database role in that db

ALTER DATABASE <dbname> SET SINGLE_USER --only one single connection can be established
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