Topic outline

• What Are Globals?

  What Are Globals?

  Content Type
  Video

  Duration
  15m

  Level
  Introductory

  Get an introduction to globals, an efficient and powerful data storage model at the heart of InterSystems IRIS® data platform.
• Code Used in This Video

  Code Used in This Video

  Reference	Timestamp	Code
  create global ^a using array syntax	0:31	^a(1,2,3)=4
  assign value to existing node 1 of global ^a	2:07	^a(1)="hello"
  assign value to new node 5 of global ^a	2:23	^a(5)="world"
  assign value to the root of a global ^a	2:44	^a="root"
  create global ^b using array syntax and non-integer subscripts	6:34	^b("sun",-2.5,"star")=4
  assign value to existing node "sun" of global ^b	6:37	^b("sun")="hello"
  assign value to existing node "planet" of global ^b	6:39	^b("planet")="world"
  assign value to the root of global ^b	6:43	^b="root"
  JSON data for John Smith	9:06	Begin code. {"Name": "John Smith", "Email": {"Home": "jsmith1234@gmail.com", "Work": "jsmith@somework.com"}, "Address": {"Street": "123 High St.", "City": "Cambridge", "State": "MA", "Zip": "02138"}} End code.
  JSON data for Mary Jones	9:42	Begin code. {"Name": "Mary Jones", "Email": {"Home": "mjones5678@email.com"}, "Address": {"67 Bennett Ave., Boston, MA 02111", "Phone": [{"Type":"Cell","Number":"333-333-3333"}, {"Type":"Business","Number":"111-111-1111"}, {"Type":"Home","Number":"555-555-5555"}]} End code.
• What's next?

  What's next?
  • Explore multiple data models with globals (exercise, 10m).
  • Learn more about globals (documentation, 10m).