You can decrypt a database using the CREATE DECRYPTED DATABASE statement. As with the CREATE ENCRYPTED DATABASE statement, you are creating a copy of the file (in this case, in decrypted form), and not actually overwriting the original database file.
Connect to an existing database from Interactive SQL.
Decrypt the database using the CREATE DECRYPTED DATABASE statement.
The first statement creates an AES256-encrypted copy of the demo.db database called demoEncrypted.db,. The second statement creates a decrypted copy of demoEncrypted.db called demoDecrypted.db.
CREATE ENCRYPTED DATABASE 'demoEncrypted.db' FROM 'demo.db' KEY 'Sd8f6654*Mnn' ALGORITHM 'AES256'; CREATE DECRYPTED DATABASE 'demoDecrypted.db' FROM 'demoEncrypted.db' KEY 'Sd8f6654*Mnn';
If there are transaction logs, transaction log mirrors, or dbspaces associated with the database, decrypted copies of those files are made as well. See CREATE DECRYPTED DATABASE statement.
If you have a database that requires recovery and you want to decrypt it to send it to support, you must use the CREATE DECRYPTED FILE statement. Any database-related files such as transaction logs and transaction log mirrors, and dbspace files, must also be decrypted using this statement. See CREATE DECRYPTED FILE statement.
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