Can I use hibernate instead of a database?

1. Recently, when I was learning hibernate, a question suddenly occurred to me: can I use hibernate instead of a database to store data? Can it cooperate with hibernate with simple file access?

2. In order to answer this question, I think we should first find out whether hibernate has any intermediates in object mapping. If so, can this intermediate be obtained? If you can, maybe you can save it with a file.

3, personal thinking is greatly inspired, I hope someone can answer the questions, thank you!

Hibernate spring java

Feb.28,2021

H2 HSQL and other embedded databases can be used without configuring another database server. It is generally used in development or test environments
there should be no ready-made hibernate. You may need to write a jdbc driver. It is possible to read and write csv/xml and other files through sql.

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How can the class generated by javaassist get the original class name in the case of reflect?
Hibernate lazily loads the acquired entity class, which has been handled by javaassit. Now there is no time to study javaassit, wants to know how to get the original Class, of the entity class and the original attribute of the entity class and the Class ...

Hibernate spring java

Mar.04,2021

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e7969a-4651d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e7969a-4651d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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