Find the path for resource, open the sqlite3 database.

OC_sqlite3_open.m

- (id)init {
    if ((self = [super init])) {
        NSString *sqLiteDb = [[NSBundle mainBundle] pathForResource:@"banklist" 
            ofType:@"sqlite3"];
 
        if (sqlite3_open([sqLiteDb UTF8String], &_database) != SQLITE_OK) {
            NSLog(@"Failed to open database!");
        }
    }
    return self;
}