Why might an organization use a view instead of giving direct access to a full table? To permanently delete unnecessary data To automatically increase query performance To restrict access to only part of the table To replace the need for indexes Answer: To restrict access to only part of the table Explanation: Views can hide sensitive columns or rows, allowing controlled access. They don’t automatically boost performance, delete data, or replace indexes.
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Which of the following is the best example of how a Large La…
Which of the following is the best example of how a Large Language Model operates?
A bank has an accounts table with (account_id, holder_name,…
A bank has an accounts table with (account_id, holder_name, balance). They want to add a new account with ID 5001, holder name Emma, and starting balance 1000.00. Which SQL is correct? INSERT accounts VALUES (5001, ‘Emma’, 1000.00); INSERT INTO accounts VALUES (5001, ‘Emma’, 1000.00); ADD INTO accounts (5001, ‘Emma’, 1000.00); UPDATE accounts (5001, ‘Emma’, 1000.00); Answer: INSERT INTO accounts VALUES (5001, ‘Emma’, 1000.00); Explanation: The correct syntax is INSERT INTO … VALUES. The others misuse SQL commands (INSERT, ADD, UPDATE).
What are the values of num through the iterations of the fol…
What are the values of num through the iterations of the following for loop? for num in range(2, 9, 2):
A patient with a breast biopsy that is positive for cancer i…
A patient with a breast biopsy that is positive for cancer is to undergo a sentinel lymph node biopsy (SLNB). The nurse explains this procedure to the patient. Which of the following statements will the nurse include in the explanation?
What will be the value of c when the following code is execu…
What will be the value of c when the following code is executed? c = 0for i in range(2): j = 0 while j
What will be the value of num after the following code is ex…
What will be the value of num after the following code is executed? num = 2i = 1while i
What will be the output of the following program? num = 7whi…
What will be the output of the following program? num = 7while num < 8: num += 1 print(num)print(num)
Let the value of variable x be a string literal ‘1234.56’. W…
Let the value of variable x be a string literal ‘1234.56’. Which one of the following will display the fractional portion 0.56 when formatted to 2 decimals?
In a process called accommodation, the ______ of the eye cha…
In a process called accommodation, the ______ of the eye changes shape to focus images on the retina.