代码是使用称为HSQLDB的内存数据库测试的,这种产品包含一个简单的GUI工具。
The code was tested using an in-memory database called HSQLDB, and this product includes a simple GUI tool.
这不仅仅是临时的内存中的数据库;而是永久保存在磁盘中。
This is not just some transient in-memory database; it is persisted to disk.
但是,这意味着数据库a的数据库内存必须调出。
But this means the database memory for database a must be paged out.
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