参考：

• https://springdoc.cn/spring-boot-h2-database/
• http://www.h2database.com/html/main.html

参考：

• https://www.learnfk.com/h2/h2-database-introduction.html
• https://www.w3ccoo.com/h2_database/index.html
• https://www.bookstack.cn/read/h2-database-doc/README.md
  https://waylau.gitbooks.io/h2-database-doc/content/
  https://github.com/waylau/h2-database-doc
  https://github.com/waylau/h2-demos