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 SecuritySQL Statements for User Management 

The SYSDBA User on POSIX

On POSIX hosts, other than macOS, the SYSDBA user does not have a default password.If the full installation is done using the standard scripts, a one-off password will be created and stored in a text file in the same directory as {secdb}, commonly /opt/firebird/.The name of the password file is SYSDBA.password.

Note

In an installation performed by a distribution-specific installer, the location of the security database and the password file may be different from the standard one.

The root User

The root user can act directly as SYSDBA on Firebird Embedded.Firebird will treat root as though it were SYSDBA, and it provides access to all databases on the server.