| S.NO. |
Valentina Server |
Virtuoso |
| 1 |
Developed by Paradigma Software and initially released on 1994 and Current release of Valentina Server is 5.7.5 . |
Developed by Virtuoso and initially released on 1998 and current release on May 2019. |
| 2 |
Server operating systems of Valentina Server is Linux, OS X, Windows. |
Server operating systems- AIX, FreeBSD, HP-UX, Linux, OS X, Solaris, Windows. |
| 3 |
Its primary database model is Relational DBMS. |
Its primary database model is Graph DBMS, Native XML DBMS, Relational DBMS, RDF store, Search engine and its secondary database models is Document store.. |
| 4 |
Valentina Server supports .Net, C, C#, C++, Objective-C, PHP, Ruby, Visual Basic, Visual Basic.NET, programming languages. |
Virtuoso supports .Net, C, C#, C++, Java, JavaScript, Perl, PHP, Python, Ruby, Visual Basic programming languages. |
| 5 |
APIs and other access methods of Valentina Server is ODBC. |
Virtuoso supports ADO.NET, GeoSPARQL, HTTP API, JDBC, Jena, RDF API, ODBC, OLE DB, RDF4J API, RESTful HTTP API, Sesame REST HTTP Protocol, SOAP, webservices, WebDAV, XPath, XQuery, XSLT. |
| 6 |
Yes, Valentina Server has a Data Schema. |
Yes, Virtuoso has a Data Schema. |
| 7 |
It doesn’t has Implementation language-C# . |
Implementation language of Virtuoso is C. |
| 8 |
Absence of Transaction concepts in Valentina Server. |
Its transaction concept is ACID ( Atomicity, Consistency, Isolation, and Durability). |
| 9 |
Valentina Server doesn’t hold Consistency concept. |
Yes, Virtuoso has Consistency concept. |
| 10 |
Yes, It holds Foreign keys. |
It holds Foreign keys. |
| 11 |
Absence of Replication methods in Valentina Server. |
Replication methods of Virtuoso is based on Chain, star, and bi-directional replication, Master-master replication, Master-slave replication. |
| 12 |
Absence of Partitioning methods in Valentina Server. |
It doesn’t holds sharding partitioning methods. |