#include <db_cxx.h> int Db::set_create_dir(const char *dir);
Specify which directory a database should be created in or looked for.
             The Db::set_create_dir() method may not be called after the 
             Db::open()  method is called.
    
         The Db::set_create_dir() 
            
            
                method either returns a non-zero error value or throws an
                exception that encapsulates a non-zero error value on
                failure, and returns 0 on success.
            
        
    
The dir will be used to create or locate the database file specified in the Db::open() method call. The directory must be one of the directories in the environment list specified by DbEnv::add_data_dir().
                         The Db::set_create_dir() 
            
            
                method may fail and throw a DbException 
                exception, encapsulating one of the following non-zero errors, or return one
                of the following non-zero errors: