Interface for inheritance in Go_2.go

package main

import "fmt"

type SQL struct {
    table string
}

func (s SQL) Create () {
    fmt.Println("Create")
}
func (s SQL) Read () {
    fmt.Println("Read")
}
func (s SQL) Update (criteria string) {
    fmt.Println("Update", criteria)
}
func (s SQL) Delete (criteria string) {
    fmt.Println("Delete", criteria)
}

type ORM interface{
    Create()
    Read()
    Update(string)
    Delete(string)
}

func main() {
    sqldb := SQL{"table"}
    var db ORM = sqldb
    db.Create()
    db.Read()
    db.Update("record")
    db.Delete("table")
}