This advanced-level database quiz is tailored for experienced learners who want to test their knowledge of complex database concepts and gain insights into professional database management skills. The quiz covers topics beyond basic SQL and relational theory, challenging participants with real-world scenarios and intricate database operations. Here’s what to expect:

Database Expert Quiz 9

This advanced-level database quiz is tailored for experienced learners who want to test their knowledge of complex database concepts and gain insights into professional database management skills. The quiz covers topics beyond basic SQL and relational theory, challenging participants with real-world scenarios and intricate database operations.

1 / 10

In SQL, what is the main purpose of a "HAVING" clause?

2 / 10

Which of the following is a feature of the Object-Relational Mapping (ORM) approach in database design?

3 / 10

In a relational schema, which of the following is true about a foreign key constraint?

4 / 10

Which isolation level in SQL allows a transaction to read uncommitted changes made by other transactions?

5 / 10

In the context of database indexes, what is a clustered index?

6 / 10

Which of the following is NOT a property of a transaction in a database management system?

7 / 10

Which of the following statements best describes a trigger in SQL?

8 / 10

What is a correlated subquery?

9 / 10

In a relational database, which of the following anomalies is likely to occur if a table is not normalized?

10 / 10

Which of the following statements about database normalization is true?

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The average score is 40%

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