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Question 2. [25 marks] (a) Describe in 4 lines the meaning and use of CVA and DVA. [5] (b) What is data wrangling? [5] (c)
Question 2. [25 marks]
(a) Describe in 4 lines the meaning and use of CVA and DVA. [5]
(b) What is data wrangling? [5] (c) What are the downsides of EUC? [5]
(d) What is the Reddick notation? [5]
(e) What does the C.R.U.D. acronym stand for? Provide two SQL keywords that refer to two of the letters in this acronym.
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