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Quiz for UPDATE

Course: SQL | Subject: SQL | Topic: Data Manipulation Language



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Q1: What does the UPDATE statement do in SQL?

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Q2: Which clause is mandatory in an UPDATE statement?

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Q3: What happens if the WHERE clause is omitted in an UPDATE statement?

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Q4: Which of the following is a valid syntax for an UPDATE statement?

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Q5: Can you update multiple columns in one UPDATE statement?

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Q6: Which SQL statement will update the price of a product to 100 where the product_id is 10?

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Q7: What is the purpose of the WHERE clause in an UPDATE statement?

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Q8: Which of the following is true about the UPDATE statement?

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Q9: Which of the following would prevent an UPDATE operation?

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Q10: Which of the following is a common use of the UPDATE statement?

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Q11: Can you use the UPDATE statement to modify NULL values?

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Q12: What happens if you update a column that has a UNIQUE constraint with a duplicate value?

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Q13: Can you use subqueries in an UPDATE statement?

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Q14: Which statement will update the price of all products by 10%?

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Q15: What does the SET clause in an UPDATE statement do?

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Q16: Which of the following will update the age of a user with user_id 5 to 25?

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Q17: Which of the following will update the name of all customers to "Unknown"?

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Q18: Which is the correct order for an UPDATE statement?

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Q19: Which of the following can you use in an UPDATE statement to join multiple tables?

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Q20: Can you use a SELECT statement to provide values in an UPDATE statement?

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