hsqldb

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Hibernate: org.hibernate.WrongClassException, SINGLE_TABLE inheritance and DiscriminatorFormula

I\'m using Hibernate 3.2.2 GA with HSQLDB 2.0 GA, and I have a class hierarchy similar to the following:[详细]

2023-02-24 15:09 分类：问答
hsqldb extremely slow with SELECT * FROM [table]

Im trying to start an embedded version of hsqldb, and it works fine with the tool that are included, they\'re not slow or anything.[详细]

2023-02-23 00:05 分类：问答
Size of HSQL database

My current project uses HSQLDB in production mode. Since I wanted to upload the files and pictures to the database as BLOB, I would like to know[详细]

2023-02-21 12:39 分类：问答
Must I set HSQLDB SA password every time whenever I restart HSQLDB server?

I started HsqlDB in server mode and set password for administrator account SA. Then I shutted down the server. Then I start开发者_高级运维ed the server again, but the password was gone. Must I set HSQ[详细]

2023-02-20 18:25 分类：问答
SQL Arithmetic and joining three columns

I have a schema that looks like this: +----------+ tour| +----------+ id| name| +----------+ +----------+[详细]

2023-02-20 04:41 分类：问答
HSQLDB delete all data and and configuration files

I have a problem about hsqldb database. Firstly I want to ask where hsqldb keep data in file system, it keeps in directory which we give in the jdbc URL,doesn\'t it? Secondly, after test finis开发者_J[详细]

2023-02-19 14:01 分类：问答
what does jdbc:hsqldb:hsqlTempFiles mean

In SimpleORM (a JAVA ORM library) examples, I see a code like: java.sql.Driv开发者_运维知识库erManager.getConnection(\"jdbc:hsqldb:hsqlTempFiles;shutdown=true;\", \"sa\", \"\")[详细]

2023-02-19 11:40 分类：问答
JPA - Update binary data

I am new to JPA and hibernate. I am using HSQLDB 2.0 and hibernate-JPA to insert image into BINARY column. I have annotated as follows[详细]

2023-02-19 07:14 分类：问答
Hibernate/JPA/HSQL : How to create a Dialect mapping for User Type ARRAY

I have successfully created User Types with Postgres, and can read and write successfully. @org.hibernate.annotations.Type(type = \"com.xxx.datamodel.ext.FooType\" )[详细]

2023-02-19 03:48 分类：问答
Hibernate hangs at schema export

My unit test uses in-memory HSQLDB with on-the-fly generated schema by Hibernate. Now at a particular case (not detailed for now, related to a @ManyToMany relation), the schema export hangs. When that[详细]

2023-02-17 11:14 分类：问答