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#133. You are experiencing intermittent hardware problems with the disk drive on which your control file is located. You decide to multiplex your control file. While your database is open, you perform these steps: 1. Make a copy of your control file using an operating system command. 2. Add the new file name to the list of files for the CONTROL FILES parameter in your text initialization parameter file using an editor. 3. Shut down the instance. 4. Issue the STARTUP command to restart the instance, mount, and open the database. The instance starts, but the database mount fails. Why?
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#134. Tom was allocated 10 MB of quota in the USERS tablespace. He created database objects in the USERS tablespace. The total space allocated for the objects owned by Tom is 5 MB. You need to revoke Tom's quota from the USERS tablespace. You issue this command: ALTER USER Tom QUOTA 0 ON users;
What is the result?
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gen. 0.076
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Server date 08:52 08-01-2009
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