deletion in sqlite database

-(BOOL) deletedata:(NSString*)name
{
    const char *dbpath = [databasePath UTF8String];
    if (sqlite3_open(dbpath, &database) == SQLITE_OK)
    {
        sqlite3_stmt *deletestmt;
        NSString *sql_str = [NSString stringWithFormat:@"delete from studentsDetail1 where name=\"%@\"",name];
        const char *sql = [sql_str UTF8String];
        int retVal;
        if ((retVal = sqlite3_prepare_v2(database, sql, -1, &deletestmt, NULL)) == SQLITE_OK) {
            int result;
            if ((result =sqlite3_step(deletestmt)) != SQLITE_DONE) {
                NSLog(@"Failed to execute the query %d",result);
            }
            else {
                NSLog(@"Succesfully Deleted Row");
            }
            sqlite3_finalize(deletestmt);
        }
        else {
            NSLog(@ "Error in preparing Delete statement %d",retVal);
        }
        int result1 = sqlite3_close(database);
        if (result1 != SQLITE_OK){
            NSLog(@"Failure in closing connection to database. Result %d",result1);
        }
        else {

            NSLog(@"Successfully closed DB connection") ;
        }
    }
    return YES;
}