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Quiz on HQL in Hibernate

Quiz on HQL in Hibernate

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Question 1 of 10

1. Question

What does HQL stand for in Hibernate?

Hibernate Question Language
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Hibernate Quick Language
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Hibernate Query Language
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Hibernate Qualified Language
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Question 2 of 10

2. Question

What is the main purpose of HQL?

To directly interact with the database schema
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To query Java objects using SQL
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To query database tables using object-oriented syntax
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To generate log files for Hibernate
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Question 3 of 10

3. Question

In HQL, which keyword is used to retrieve data from an entity?

GET
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FETCH
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SELECT
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READ
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Question 4 of 10

4. Question

HQL queries operate on:

Tables and columns
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Entities and their properties
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Files and directories
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Database indexes
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Question 5 of 10

5. Question

Which of the following is a valid HQL query?

SELECT * FROM employee
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SELECT e FROM Employee e
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GET ALL FROM Employee
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READ e FROM Employee
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Question 6 of 10

6. Question

What type of return value does a basic HQL SELECT query provide?

HTML code
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Raw SQL result
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List of Java objects
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CSV file
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Question 7 of 10

7. Question

Which method is commonly used to run an HQL query in Hibernate?

runQuery()
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executeQuery()
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createQuery()
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fetchResults()
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Question 8 of 10

8. Question

Can we use aggregate functions like COUNT or SUM in HQL?

No, HQL does not support any functions
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Only in native SQL queries
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Yes, similar to SQL
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Only in annotations
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Question 9 of 10

9. Question

What is the correct way to write a parameterized HQL query?

SELECT e FROM Employee e WHERE e.id = ?
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SELECT e FROM Employee e WHERE e.id = :id
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SELECT e FROM Employee e WHERE e.id == :id
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SELECT e FROM Employee e WHERE id = {id}
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Question 10 of 10

10. Question

Which of the following is a benefit of using HQL over native SQL in Hibernate?

Better support for HTML output
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Tighter integration with the database
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Independence from database-specific syntax
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Direct table manipulation
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