Read Data with Like From MySQL Database in Golang

package main

import (
    "database/sql"
    "fmt"
)

type Student struct {
    Id       int64
    Name     string
    Age      int
}

func ConnectDB() (db *sql.DB, err error) {
    dbDriver := "mysql"
    dbUser := "root"
    dbPass := "nilpointer.net"
    dbName := "nilpointer_db"
    db, err = sql.Open(dbDriver, dbUser+":"+dbPass+"@/"+dbName)
    return
}

func main() {

    db, err := ConnectDB()
    if err != nil {
        fmt.Println(err)
    } else {
        keyword := "nilpointer.net"
        rows, err2 := db.Query("select * from student where name like ?", "%" + keyword + "%")
        if err2 != nil {
            fmt.Println(err2)
        } else {
            students := []Student{}
            for rows.Next() {
                var student Student
                err3 := rows.Scan(&student.Id, &student.Name, &student.Age)
                if err3 != nil {
                    fmt.Println(err3)
                } else {
                    students = append(students, student)
                }
            }
            fmt.Println(students)
        }
    }
}