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SQLite – Subqueries
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1. What is a subquery in SQLite?
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2. In SQLite, where can you use a subquery?
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3. What is the purpose of a subquery in SQLite?
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4. In SQLite, what is the result of a subquery?
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5. What SQL keyword is used to enclose a subquery in SQLite?
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6. In a subquery, what does the SELECT statement do in SQLite?
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7. What is the primary purpose of a subquery in the WHERE clause of a SELECT statement in SQLite?
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8. In a subquery within the WHERE clause, what is typically compared to the main query’s column?
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9. What happens if a subquery returns no rows in SQLite?
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10. In SQLite, what is the result of a subquery in the SELECT clause when it retrieves multiple rows?
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11. What is the purpose of the EXISTS operator in SQLite?
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12. In SQLite, what does the IN operator do when used with a subquery?
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13. What does the ALL keyword do when used with a subquery in SQLite?
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14. What does the ANY keyword do when used with a subquery in SQLite?
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15. In SQLite, what does a correlated subquery refer to?
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16. What is the primary characteristic of a correlated subquery in SQLite?
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17. In SQLite, what does the main query’s column reference in a correlated subquery represent?
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