Difference between Valentina Server and Virtuoso

1. Virtuoso :
It is a middleware that supports management of data represented as relational tables and/or property graphs. It is a multi-model hybrid-RDBMS which holds primary database model as Graph DBMS, Native XML DBMS, Relational DBMS, RDF store, Search engine. It is designedfor taking advantages of operating system threading support and multiple CPUs. Virtuoso Object-relational database (ORDBMS) supports entity integrity and referential integrity.

2. Valentina Server :
It is a Object-relational database and reports server and fast object-relational database server. It includes integrated database servers, Valentina Database Server and SQLite Database Server. It is a full featured, standards compliant multi-user access SQLite based database server.

Difference between Valentina Server and Virtuoso :

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.
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.

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