1. Valentina服务器：
它是一个对象关系数据库和报表服务器以及快速的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。它是一个功能全面，符合标准的，基于多用户访问的基于SQLite的数据库服务器。
2.减轻：
它是一个基于GraphQL的开源智能图，具有以下核心功能：语义搜索，自动分类和知识表示。主数据库模型是Search Engine，辅助数据库模型是Graph DBMS。它允许我们的数据基于GraphQL查询语言以大图形格式表示。它的搜索图基于称为Contextionary的图嵌入机制。
Valentina Server和Weaviate之间的区别：
| S.NO. | Valentina Server | Weaviate |
|---|---|---|
| 1 | Developed by Paradigma Software and initially released on 1994. | Developed by SeMI Technologies B.V. and initially released on 2017 |
| 2 | Current release of Valentina Server is 5.7.5 . | Current release on January 2020. |
| 3 | Server operating systems of Valentina Server is Linux, OS X, Windows. | No such server operating systems in Weaviate . |
| 4 | Its primary database model is Relational DBMS. | Its primary database model is Search Engine and its secondary database models is Graph DBMS. |
| 5 | Valentina Server supports .Net, C, C#, C++, Objective-C, PHP, Ruby, Visual Basic, Visual Basic.NET, programming languages. | No such supported programming languages in Weaviate. |
| 6 | APIs and other access methods of Valentina Server is ODBC. | Weaviate supports GraphQL query language and RESTful HTTP/JSON API. |
| 7 | Yes, Valentina Server has a Data Schema. | Data Schema of Weaviate is based on maps to GraphQL interface . |
| 8 | It doesn’t has Implementation language-C# . | Implementation language of Weaviate is Go. |
| 9 | Absence of Transaction concepts in Valentina Server. | Absence of transaction concepts in Weaviate. |
| 10 | Valentina Server doesn’t hold Consistency concept. | It has Eventual Consistency concept. |
| 11 | Yes, It holds Foreign keys. | It doesn’t holds Foreign keys. |
| 12 | Absence of Replication methods in Valentina Server. | Replication methods of Weaviate is Master-master replication anMaster-slave replication |
| 13 | Absence of Partitioning methods in Valentina Server. | Partitioning methods of Weaviate is Sharding. |