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.速度数据库：
它是一个 .NET 对象数据库，可以嵌入/分布式并扩展到图形数据模型 (VelocityGraph) 数据库速度快且内存消耗低。 VelocityDB 是一个性能极高、易于使用、可扩展、可嵌入和可分发的对象数据库系统。
Valentina Server 和 VelocityDB 的区别：
| S.NO. | Valentina Server | VelocityDB |
|---|---|---|
| 1 | Developed by Paradigma Software and initially released on 1994. | Developed by VelocityDB Inc and initially released on 2011. |
| 2 | Current release of Valentina Server is 5.7.5 . | Current release of VelocityDB is 7.x |
| 3 | Server operating systems of Valentina Server is Linux, OS X, Windows. | Server operating systems of VelocityDB is Any that supports .NET |
| 4 | Its primary database model is Relational DBMS. | Its primary database model is Graph DBMS and Object oriented DBMS |
| 5 | Valentina Server supports .Net, C, C#, C++, Objective-C, PHP, Ruby, Visual Basic, Visual Basic.NET, programming languages. | VelocityDB supports .Net programming languages. |
| 6 | APIs and other access methods of Valentina Server is ODBC. | APIs and other access methods of VelocityDB is .Net |
| 7 | Yes, Valentina Server has a Data Schema. | Yes, VelocityDB has a Data Schema. |
| 8 | It doesn’t has Implementation language-C# . | It has Implementation language-C# . |
| 9 | Absence of Transaction concepts in Valentina Server. | Transaction concepts is ACID ( Atomicity, Consistency, Isolation, and Durability). |
| 10 | Valentina Server doesn’t hold Consistency concept. | VelocityDB has Immediate Consistency concept. |
| 11 | Yes, it holds Foreign keys. | No, it doesn’t holds Foreign keys. |
| 12 | Absence of Replication methods in Valentina Server. | Absence of Replication methods. |
| 13 | Absence of Partitioning methods in Valentina Server. | Sharding is a Partitioning methods of VelocityDB. |