Reading mysql's column data(string type) into a slice of strings([]string)

Reading_column_into_slice_of_strings.go

/**
	{
		"created_on": "26 may 2017",
		"todos": [
			"go get github.com/go-sql-driver/mysql"		
		],
		"aim": "Reading fname column into []string(slice of strings)"
	}
*/


/* 
mysql> select * from users;
+----+-----------+----------+----------+-------------------------------+--------------+
| id | fname     | lname    | uname    | email                         | contact      |
+----+-----------+----------+----------+-------------------------------+--------------+
|  1 | Rishikesh | Agrawani | hygull   | rishikesh0014051992@gmail.com | 917353787704 |
|  2 | Sandeep   | E        | sandeep  | sandeepeswar8@gmail.com       | 919739040038 |
|  3 | Darshan   | Sidar    | darshan  | sidardarshan@gmail.com        | 917996917565 |
|  4 | Surendra  | Prajapat | surendra | surendrakgadwal@gmail.com     | 918385894407 |
|  5 | Mukesh    | Jakhar   | mukesh   | mjakhar.kjahhar@gmail.com     | 919772254140 |
+----+-----------+----------+----------+-------------------------------+--------------+
5 rows in set (0.00 sec)

mysql> 
*/

package main
import "fmt"
import "log"
import (
	_"github.com/go-sql-driver/mysql"	
	"database/sql"
)

func main() {
	// db, err := sql.Open("mysql", "<username>:<password>@tcp(127.0.0.1:<port>)/<dbname>"	)
	db, err := sql.Open("mysql", "hygull:admin@67@tcp(127.0.0.1:3306)/practice_db?charset=utf8")

	if err != nil {
		log.Fatal(err)
	}

	rows, err := db.Query("select fname from users")

	if err != nil {
		log.Fatal(err)
	}

	firstnames:=[]string{}
	for rows.Next() {
		var fname string
		rows.Scan(&fname)
		firstnames = append(firstnames, fname)
	}

	fmt.Println(firstnames)
	db.Close()
}

/* 
[Rishikesh Sandeep Darshan Surendra Mukesh]
*/