The wrapper for outputting errors in the application Returns the text of the error.

Command close the database.

Command deleting records.

The command exports a value for the selected key to file with specified filename.

The command get a value.

The command to open the database.

The command set a value.

It shows the contents of the database prefix filtering.

It shows the contents of the database range filtering.

ShowLimit It shows all content of the database limited by the limit.