how to lock and unlock a table exclusively?

hello group,

I have gone over few articles and samples on the web and learned something about locking a table and it types. However, not sure why I cannot find a solid answer on how to unlock a table.

my assumption was that unlock must be the answer but it doesn't work in sql server (I'm using 2008 R2). so far I have locked a table (exclusively since need to avoid any read/write on table):

SELECT 1 FROM test WITH (tablockx)

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eventually I had to kill the server process id after finding process id with kill command. now, question is what is the best and graceful to exit from lock state?

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You should COMMIT or ROLLBACK the transaction.
akohanAuthor Commented:
I tried and noticed COMMIT will work properly but is this a good and optimized approach (considering code above and commit)?

Yes, that's the only approach to release the locks (i.e. issue a COMMIT or a ROLLBACK).

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akohanAuthor Commented:
Thank you!
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Microsoft SQL Server 2008

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