Merge branch 'create' of https://github.com/jpez-development/CSY1026_assignment_2_group_9 into create

create_9.sql

@@ -1,8 +1,8 @@
 CREATE TABLE players (
     player_id NUMBER(4),
-    player_name VARCHAR2(15) NOT NULL,
-    contact_email VARCHAR2(25) UNIQUE,
-    contact_number CHAR(13) UNIQUE
+    player_name VARCHAR2(15),
+    contact_email VARCHAR2(25),
+    contact_number CHAR(13)
 );
 
 CREATE TABLE teams (
@@ -85,4 +85,4 @@ CREATE TABLE game_participants (
     game_participant_id NUMBER(16),
     game_id NUMBER(8),
     tournament_participant_id NUMBER(8)
-);
+);