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Thread Encrypt existing database
Mon, Mar 23 2026 8:03 AMPermanent Link

Mike

Hi,

I would like to encrypt an existing database.

Is this possible and what would be steps to accomplish that?

Regards
Tue, Mar 24 2026 10:26 AMPermanent Link

Fernando Dias

Team Elevate Team Elevate

Mike,

Yes, it is possible but encryption is defined on a table basis, not for the whole database.
For each table you want to be encrypted on disk, just alter the table:ALTER TABLE <YourTable> ENCRYPTED
To decipher it back, ALTER TABLE <YourTable> UNENCRYPTED.
The encryption password is defined on the engine, all tables use the same password.
It's also possible to encrypt communications and the database catalog using the same password.

--
Fernando Dias
[Team Elevate]
Wed, Mar 25 2026 7:55 AMPermanent Link

Mike

Hi Fernando,

Thanks for the information. I will try this out.

Regards,

Mike
Wed, Mar 25 2026 11:32 AMPermanent Link

Mike

Any idea how to check if an table is encrypted?
Wed, Mar 25 2026 12:44 PMPermanent Link

Mike

Nevermind.

With HxD I could check the content.
Sat, Mar 28 2026 11:48 AMPermanent Link

Raul

Team Elevate Team Elevate

<<Mike wrote:

Any idea how to check if an table is encrypted?
>>


Query the Tables - encrypted field

(e.g.  SELECT Name,Encrypted FROM Information.Tables)
Raul
Sun, Mar 29 2026 8:47 AMPermanent Link

Roy Lambert

NLH Associates

Team Elevate Team Elevate

Raul


Example

select Encypted from information.tables where name = 'Contacts'



Roy Lambert
Tue, Mar 31 2026 3:05 AMPermanent Link

Mike

Got it. Thank you all!
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