orm Archives - Page 4 of 5

Hibernate show real SQL [duplicate]

This question already has answers here: How to print a query string with parameter values when using Hibernate (33 answers) Closed 9 years ...

May 7, 2022
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How to print a query string with parameter values when using Hibernate

Is it possible in Hibernate to print generated SQL queries with real values instead of question marks? How would you suggest to print ...

May 5, 2022
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JPA JoinColumn vs mappedBy

What is the difference between: @Entity public class Company { @OneToMany(cascade = CascadeType.ALL , fetch = FetchType.LAZY) @JoinColumn(name = "companyIdRef", referencedColumnName = "companyId") ...

April 30, 2022
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Difference between FetchType LAZY and EAGER in Java Persistence API?

I am a newbie to Java Persistence API and Hibernate. What is the difference between FetchType.LAZY and FetchType.EAGER in Java Persistence API? 17 ...

April 28, 2022
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What’s the difference between JPA and Hibernate? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Closed 4 years ago. Locked. This question and its answers are locked ...

April 28, 2022
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How to fix the Hibernate “object references an unsaved transient instance – save the transient instance before flushing” error

I receive following error when I save the object using Hibernate object references an unsaved transient instance - save the transient instance before ...

April 22, 2022
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What is the “N+Best Answerelects problem” in ORM (Object-Relational Mapping)?

The “N+Best Answerelects problem” is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to ...

April 10, 2022
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Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]

Unable to create requested service...

April 7, 2022
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How to fix org.hibernate.LazyInitializationException – could not initialize proxy – no Session

What is wrong here is that your session management configuration is set to close session when you commit transaction. Check if you have ...

April 7, 2022
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What Java ORM do you prefer, and why?

April 6, 2022
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