Hibernate Framework HQL and Criteria API

Question 1

What does HQL stand for in Hibernate?

Accepted Answer

Hibernate Query Language

Answer

Hybrid Query Language

Answer

Hibernate Question Language

Answer

High Query Language

Question 2

How does HQL differ from SQL?

Accepted Answer

HQL operates on entity class names, SQL operates on table names

Answer

HQL is faster than SQL

Answer

HQL only supports SELECT, not INSERT

Answer

HQL does not support joins

Question 3

Which method executes an HQL SELECT query that returns a list of results?

Accepted Answer

query.list()

Answer

query.execute()

Answer

query.fetch()

Answer

query.results()

Question 4

How do you set a named parameter in an HQL query?

Accepted Answer

query.setParameter("name", value)

Answer

query.bind("name", value)

Answer

query.set("name", value)

Answer

query.addParam("name", value)

Question 5

Which HQL clause is used to filter results, equivalent to SQL WHERE?

Accepted Answer

WHERE

Answer

FILTER

Answer

HAVING

Answer

LIMIT

Question 6

What does the HQL keyword 'fetch' do in a join?

Accepted Answer

Eagerly loads the associated entity in the same query

Answer

Lazily loads the association

Answer

Skips the association

Answer

Counts the associated entities