1. What is the primary purpose of indexing in a database?
2. Which data structure is commonly used for creating indexes in databases?
3. What is a "covering index" in the context of query optimization?
4. Which type of index is most suitable for columns with low cardinality, such as gender or status?
5. In database indexing, what is the term for the column or set of columns used as the search key for the index?
6. What is the main benefit of using a clustered index in a database?
7. Which query optimization technique rearranges the execution order of operators in a query plan to improve performance?
8. What is the purpose of a non-clustered index in a database?
9. Which type of index is often used for text-based searches, such as searching for words within a document?
10. What is query optimization in a database management system?
11. Which index type is well-suited for columns with high cardinality and where range queries are common?
12. What is an "execution plan" in the context of query optimization?
13. Which query optimization technique involves breaking down a complex query into smaller, simpler subqueries?
14. What is the primary advantage of using indexing in a database?
15. Which type of index is used to enforce the uniqueness of values in a column?
16. In a database, what is the purpose of a composite index?
17. Which query optimization technique aims to execute multiple parts of a query in parallel to improve performance?
18. What is an "access path" in the context of query optimization?
19. What is the primary purpose of a bitmap index in a database?
20. In query optimization, what is the purpose of "predicate pushdown"?
21. Which type of index is most suitable for columns with Boolean (true/false) values?
22. What is the primary disadvantage of using too many indexes in a database?
23. In query optimization, what is "cost-based optimization"?
24. What is the main goal of query optimization in a database?
25. What is the primary purpose of indexing columns that are frequently used in WHERE clauses of SQL queries?
25 uniquely designed questions just for you to evaluate your skills in Indexing and Query Optimization quiz. Are you ready to challenge yourself and explore more? Let's get started and see how much you can score out of 25.
Test your knowledge of database optimization with these 25 multiple-choice questions on Indexing and Query Optimization. Explore concepts such as index types, query execution plans, access paths, and query rewriting in this comprehensive quiz
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