Why is there no explicit data-typing in CORBA CDR?
What will be an ideal response?
The use of data-typing produces costs in space and time. The space costs are due to the extra type information in the marshalled form (see for example the Java serialized form). The performance cost is due to the need to interpret the type information and take appropriate action.
The RMI protocol for which CDR is designed is used in a situation in which the target and the invoker know what type to expect in the messages carrying its arguments and results. Therefore type information is redundant. It is of course possible to build type descriptors on top of CDR, for example by using simple strings.
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Give an example of a transaction processing system (other than a banking system) that you have interacted with, for which you had an intuitive expectation that the serial order was the commit order.
What will be an ideal response?
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It is acceptable to use current company letterhead for a job application letter.
Answer the following statement true (T) or false (F)