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Which of the following is a valid SQL statement?

Which type of constraint should you use on a column to allow entering only values above 1000?

What keyword is used to check multiple conditions with an IF statement?

Consider the following anonymous block:  BEGIN   INSERT INTO countries (id, name)  VALUES (‘XA’, ‘Xanadu’);  SAVEPOINT XA;   INSERT INTO countries (id, name)  VALUES (‘NV’,’Neverland’);  COMMIT;   ROLLBACK TO XA; END; What happens when the block of code finishes?

What happens if a SELECT … INTO query returns multiple rows?

Which of the following variable declarations are valid?

Which of the following correctly compares topic modeling and text classification?

A marketing team wants to group customers based on their purchasing habits but does not have predefined customer segments. Which type of machine learning should they use?

Answer one of the following three questions about Beowulf: 4. What is Grendel? He is mearcstapa (border-walker). He lives on the border between human and something else. He transgresses boundaries, terrorizing Hrothgar’s mead-hall. Comb through the poem for details that answer this question and use the details in your answer. Think in terms of ancestry, his physical attributes, and his behavior. 6. In what sense do “pagan” and Christian values co-exist in the poem Beowulf, and how would you characterize and explain this co-existence? As you answer this question, point to details in the first half of the poem that inform your answer. 9. What is the function of the dragon episode in Beowulf, and why is it essential to the poem?

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