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Tool version compatibility problem
HSQLDB It's a Java Built in database , It is very suitable for rapid testing and demonstration Java In the program .( There is no need to install the database independently )

HSQLDB There are three modes :
1. Server Like Mysql like that
2. In-Process Also called Standalone pattern , Put the data in a local file , accompany JVM Start together , yes HSQLDB Main application scenarios
3. Memory-only, Just in memory , Once restarted , The data disappears .
Correct




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2021-05-21 sql The database engine has several server modes : frequently-used Server pattern 、WebServer pattern 、Servlet pattern 、Standlone pattern 、Memory-Only Database
fredwu

sql The database engine has several server modes : frequently-used Server pattern 、WebServer pattern 、Servlet pattern 、Standlone pattern 、Memory-Only Database







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2021-04-04 I need to modify the data
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2019-09-17 jdk The built-in database is not called derby Do you ?




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