How to store items in the database. Then run when the player with the item. To unlock the screen.

How to store items in the database. Then run when the player with the item. To unlock the screen.

I want to be a player on the item and the item to the database. Items that have already run out of games to play on the new

My Code Javascript In Player

 private var score:int;
 var scorecount:GUIText;
 function Start () {
 
 }
 
 function Update () {
 
 var text:String = "Score : "+score.ToString();
 scorecount.text = text;
 
 }
 
 function OnCollisionEnter (collision:Collision) {
 
 if(collision.gameObject.tag =="diamond")
 { score=score+1; 
 print("Score ="+score);
 }
 }