Drop Database

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Drop Database

karthik babu

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February 23, 2015 at 10:03 pm

#304575

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February 24, 2015 at 2:51 am

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patricklambin SSCrazy Eights Points: 9994 More actions · Answer 1

Interesting question , but I have a question : what are the existing différences between DROP DATABASE and the use of sp_detach_db ? I prefer to use sp_detach_db ( because of the possibility of statistics update ) , but it is possible I am going wrong. If someone could give some explanations pro and con , I would appreciate really and thanks berorehand.

Louis Hillebrand SSCarpal Tunnel Points: 4982 More actions · Answer 2

DROP DATABASE deletes the physical disk files used by the database when they are online,

sp_detach_db only removes the database from the current (SQL) server by leaves these files on disk.

https://technet.microsoft.com/en-us/library/ms178613(v=sql.110).aspx

Louis.

pmadhavapeddi22 SSCertifiable Points: 5306 More actions · Answer 3

pmadhavapeddi22

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February 24, 2015 at 2:18 am

#1779509

Interesting.

thanks for the question

Koen Verbeeck SSC Guru Points: 259105 More actions · Answer 4

Interesting question, thanks!

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Hany Helmy SSChampion Points: 13921 More actions · Answer 5

Easy 4 me, had previous experience with it 🙂

Thanks & Best Regards,
Hany Helmy
SQL Server Database Consultant

Ed Wagner SSC Guru Points: 287026 More actions · Answer 6

Interesting one. I've never done it, so I learned something today. Thanks.

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patricklambin SSCrazy Eights Points: 9994 More actions · Answer 7

Thanks Louis for your explanations.

With DROP , the whole database disappears , on the contrary , sp_detach_db keeps the files and enables the possibility to move the location of these files ( useful to attach the database files to another SQL Server instance , maybe on another computer )

barry.mcconnell Default port Points: 1447 More actions · Answer 8

Deleting the database does allow getting rid of the database files even when the database is offline.

There are no facts, only interpretations.
Friedrich Nietzsche

RK Mandava SSCarpal Tunnel Points: 4153 More actions · Answer 9

good question,

here is nice article about that..

http://www.brentozar.com/archive/2015/02/dropping-offline-database-sql-server/

Mike Hays SSCommitted Points: 1871 More actions · Answer 10

Mike Hays

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February 24, 2015 at 7:23 am

#1779583

Good Question, I had to test this one out....

Bhushan Kulkarni SSCrazy Points: 2829 More actions · Answer 11

Bhushan Kulkarni

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February 24, 2015 at 7:26 am

#1779586

Nice question

RK Mandava SSCarpal Tunnel Points: 4153 More actions · Answer 12

barry.mcconnell (2/24/2015)
Deleting the database does allow getting rid of the database files even when the database is offline.

no, deleting offline database doesnot delete physical files...

from MS: If the database or any one of its files is offline when it is dropped, the disk files are not deleted. These files can be deleted manually by using Windows Explorer.

https://msdn.microsoft.com/en-us/library/ms178613(v=sql.100).aspx

and

http://www.brentozar.com/archive/2015/02/dropping-offline-database-sql-server/

barry.mcconnell Default port Points: 1447 More actions · Answer 13

Should have told me that before I just did it. The files are gone.

There are no facts, only interpretations.
Friedrich Nietzsche