1.瓦伦蒂娜服务器：
它是一个对象关系数据库和报告服务器和快速对象关系数据库服务器。它包括集成数据库服务器、Valentina 数据库服务器和 SQLite 数据库服务器。它是一个功能齐全、符合标准的多用户访问基于 SQLite 的数据库服务器。
2. XAP：
XAP 是用于关键任务应用程序的高性能内存数据网格，并提供一组基本的数据存储功能，例如事务、索引和查询语言(类似 SQL 的查询)。它是一种用于安装和分发应用软件的文件格式。
Valentina Server 和 XAP 的区别：
| S.NO. | Valentina Server | XAP |
|---|---|---|
| 1 | Developed by Paradigma Software and initially released on 1994. | Developed by Gigaspaces Technologies and initially released on 2000. |
| 2 | Current release of Valentina Server is 5.7.5 . | Current release date- June 2019. |
| 3 | Server operating systems of Valentina Server is Linux, OS X, Windows. | Server operating systems of XAP Linux, macOS, Solaris, Windows. |
| 4 | Its primary database model is Relational DBMS. | Its primary database model is Document store and Key-value store. |
| 5 | Absence of secondary database models in Valentina Server. | Secondary database models of XAP is Object oriented DBMS. |
| 6 | Valentina Server supports .Net, C, C#, C++, Objective-C, PHP, Ruby, Visual Basic, Visual Basic.NET, programming languages. | XAP supports .Net, C++, Java programming languages. |
| 7 | APIs and other access methods of Valentina Server is ODBC. | XAP supports GigaSpaces LRMI, Hibernate, JCache, JDBC, JPA, ODBC, RESTful HTTP API, Spring Data APIs and other access methods. |
| 8 | Yes, Valentina Server has a Data Schema. | Data Schema of XAP is schema-free. |
| 9 | It doesn’t has Implementation language-C# . | Implementation language of XAP is Java, C++, .Net. |
| 10 | Absence of Transaction concepts in Valentina Server. | XAP has ACID ( Atomicity, Consistency, Isolation, and Durability) concepts transaction concepts. |
| 11 | Valentina Server doesn’t hold Consistency concept. | XAP has Immediate Consistency concept. |
| 12 | Yes, It holds Foreign keys. | No, It doesn’t holds Foreign keys. |
| 13 | Absence of Replication methods in Valentina Server. | Replication methods of XAP- Master-master replication and Master-slave replication. |
| 14 | Absence of Partitioning methods in Valentina Server. | Sharding is a Partitioning methods of XAP. |