MCQ King
SQLite – Aggregating Data with GROUP BY
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1. In SQLite, which SQL clause is used to group rows based on the values in one or more columns?
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2. What is the primary purpose of the GROUP BY clause in a SELECT statement in SQLite?
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3. Which SQL aggregate function is used to count the number of rows in a result set in SQLite?
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4. What does the HAVING clause do in a SELECT statement in SQLite?
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5. In SQLite, how do you specify the columns to be included in the result set when using GROUP BY?
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6. What is the result of using an aggregate function without a GROUP BY clause in SQLite?
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7. Which SQL clause is used to filter groups of rows in the result set based on a condition in SQLite?
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8. What is the purpose of the ORDER BY clause in a SELECT statement in SQLite?
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9. Which SQL keyword is used to sort data in ascending order in the ORDER BY clause of SQLite?
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10. How do you sort data in descending order for a specific column in the ORDER BY clause in SQLite?
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11. In SQLite, what is the result of sorting data by a column with the ORDER BY clause?
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12. Which SQL clause is used to filter rows based on a condition in SQLite?
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13. What does the DISTINCT keyword do in a SELECT statement in SQLite?
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14. Which SQL clause is used to combine the result sets of two or more SELECT statements in SQLite?
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15. What is the primary purpose of the UNION operator in SQLite?
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16. In SQLite, which SQL clause is used to filter rows based on a specified condition?
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17. What is the primary purpose of the WHERE clause in a SELECT statement in SQLite?
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18. Which SQL operator is used to specify multiple conditions in the WHERE clause of a SELECT statement?
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19. How do you specify that a column should be included in the result set in a SELECT statement?
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20. What happens if you use the * wildcard in the SELECT clause of a SELECT statement in SQLite?
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21. In SQLite, how do you specify the table from which you want to retrieve data in a SELECT statement?
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22. What is the primary purpose of sorting data using the ORDER BY clause in SQLite?
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23. Which SQL keyword is used to sort data in ascending order in the ORDER BY clause of SQLite?
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24. What is the primary purpose of the UNION operator in SQLite? To merge the data from two tables
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