Module 5 Quiz _ 2212- Nurs-5366-405-Princ Of Research In Nursing.

All study groups in your cohort have access to the database of a fantasy trading app for fans of cryptocurrency. For an assignment, your professor asks all groups to query its database, in particular a table titled CurrencyCounter. This table provides the highest estimated percentage of all players that will choose to play in each of three cryptocurrencies and its per-token value in United States dollars (USD) for the next year. CurrencyCounter CryptocurrencyPerTokenValue (USD)PercentageEthereum9530BitcoinCash10135Litecoin4510ZCash6310Monero7415 Another study group has produced these results from their query: Litecoin and ZCash. Which of the following is their query? Select one. {Ans: SELECT * FROM CurrencyCounter WHERE (Percentage >= 10 AND Percentage <= 30) AND PerTokenValue < 65}Which of these are true about NULL values? Select all that apply. {Ans: A NULL value is different from a zero value or an empty string. One NULL is never equal to another.}Denormalization intentionally introduces redundancy by merging tables and therefore improves query performance. Which types of normal form tables does it result in? Select all that apply. {Ans: First or Second Form}Your study group has access to the databases of some organizations working on substance abuse treatment and rehabilitation. For an assignment, your professor