Apache's Derby database is a small, in-memory database that's ideal for use as an embedded database.
Apache的Derby数据库是一个小型的内存中数据库，它是用作嵌入式数据库的理想选择。
An in-memory database caching capability ACTS as a front end to a back-end database in these tiered solutions.
在这些分层解决方案中，有一个内存中的数据库缓存功能，作为后端数据库的前端。
This is not just some transient in-memory database; it is persisted to disk.
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。
The most common in-memory database index strategy is called T-tree.
最常见的内存中数据库索引策略是T -树。
它是一个内存数据库。
The code was tested using an in-memory database called HSQLDB, and this product includes a simple GUI tool.
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。
One of the most noticeable differences of an in-memory database system is the absence of large data block structures.
内存中数据库系统一个最值得注意的不同之处在于没有大数据块结构。
ObjectGrid can be used simply as an in-memory database, or it can be used to distribute data across a network.
ObjectGrid可以像使用内存内数据库一样使用，也可以使用其将数据分布在网络上。
Regarding the JPA best practices, he asked the developers to consider the techniques like using an in-memory database (like HSQL DB) to eliminate mock DAO implementations.
关于JPA的最佳实践，他希望开发者能考虑使用内存数据库(如hsqlDB)而不要再用mockDAO实现。
But, while this application had no formal data model, maybe we could "borrow one" by streaming the data into an in-memory database and querying against that.
但是，虽然这个应用程序缺少正式数据模型，但也许我们可以将数据存储到内存中的数据库，并凭借该数据库进行查询，通过这种方式借用一个数据模型。
One alternative is to use an in-memory database for your tests.
另一个可选的方式是为测试使用内存数据库。
The trade-off is that connecting to an in-memory database will take little more unit test time, but there will be less code and development effort.
虽然连接到内存数据库会多花点时间，但代码相对要少很多，开发代价也小。
The trade-off is that connecting to an in-memory database will take little more unit test time, but there will be less code and development effort.
虽然连接到内存数据库会多花点时间，但代码相对要少很多，开发代价也小。
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