Administrator Guide : Security : Encryption : Decrypting a database
  
Decrypting a database
You can decrypt a database with the option -x decrypt. You also need to provide the encryption password.
Procedure
To decrypt a database, start solidDB® with the following command syntax:
solid -x decrypt -x keypwdfile:<filename>
For example:
solid -x decrypt -x keypwdfile:pwd.txt
See also
Encryption