Page Comparison

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1. If the DMIService ( dmiModelPlugin or dmiService ) does not match with the DMIService of cm handle? update & delete scenario. We should not update these two field because it impacts modelSync, but dmiDataService can be updated
2. Multiple operations for a single cm-handle: 
   1. If not allowed: Throw the error; it enables us to process them parallelly for better performance.
   2. If allowed: 
      1. Which operation type has higher precedence
         1. create → update → delete: 
         2. delete → create → update: It will help us to handle the case where the user wants to recreate the cm handle
      2. Multiple within the same operation type
         1. create → Take the last one and show success or take the first one and let others fail
         2. update → Process them sequentially because the update can be partial and order may matter here
         3. delete → Process only once 
3. Input is not in the expected format: Reject the request

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