Slide 58 Resource and Activity Services Consider Operation Foo One Invocation of Foo Is Equivalent to Another Two Possibilities: The Data Affected by Each Invocation is Isolated Only Uses Activity-Oriented Data Call These Activity-Oriented-Services There Is Shared Data across Invocations of Foo Uses Both Activity-Oriented-Data and Resource-Oriented-Data This Is Harder Call These Resource-Oriented-Services SQL Activity-Oriented-Service Activity Oriented Data #### SQL Resource-Oriented-Service Activity Oriented Data #### Resource Oriented Data ####
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