Should you create an index on P_CODE? If so, write the SQL command to create that index. If not, explain your reasoning.
Answer to relevant QuestionsShould you create an index? If so, what would the index column(s) be, and why should you create that index?What type of database I/O operations will likely be used by the query?What indexes would you recommend for the query you wrote in Problem 30, and what SQL commands would you use?Briefly describe the process of writing a file in a Hadoop Distributed File System (HDFS).Explain how the main components of the BI architecture interact to form a system. Describe the evolution of BI information dissemination formats.
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