Which is the transformation of requests and results between different levels of abstraction:

Related MCQs

• Which are the three levels of abstraction:
• How many levels of abstraction in DBMS:
• A                      is a program running on the server machine, which accepts requests from a Web browser and sends back results in the form of HTML documents.
• Which of the following is not a level of data abstraction?
• Which of the following is not a level of data abstraction?
• Which of the following is not a level of data abstraction?
• The iterator maintains the                      of its execution in between calls so that successive next() requests receive successive result tuples.
• An abstraction concept for building composite object from their component object is called:
• Which mapping exists between the conceptual and internal levels:
• Which mapping exists between the external and conceptual levels: