1. Virtuoso :
Virtuoso 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.
1. XAP :
XAP High performance in-memory data grid for mission critical applications and provides an essential set of data store features, such as transactions, indexes, and query language (SQL-like queries). It is a file format used to install and distribute application software.
Difference between XAP and Virtuoso :
|1||Developed by Gigaspaces Technologies and initially released on 2000 and current release on June 2019.||Developed by Virtuoso and initially released on 1998 and current release on May 2019.|
|2||Its primary database model is Document store and Key-value store.||Its primary database model is Graph DBMS, Native XML DBMS, Relational DBMS, RDF store, Search engine.|
|3||Its secondary database models is Object oriented DBMS.||Its secondary database models is Document store.|
|4||Server operating systems of XAP Linux, macOS, Solaris, Windows.||Server operating systems of AIX, FreeBSD, HP-UX, Linux, OS X, Solaris, Windows.|
|5||XAP supports GigaSpaces LRMI, Hibernate, JCache, JDBC, JPA, ODBC, RESTful HTTP API, Spring Data.||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||XAP has ACID (Atomicity, Consistency, Isolation, and Durability) concepts transaction concepts.||Its Transaction concepts is ACID (Atomicity, Consistency, Isolation, and Durability).|
|7||Replication methods of XAP- Master-master replication and Master-slave replication.||Replication methods of Virtuoso is based on Chain, star, and bi-directional replication, Master-master replication, Master-slave replication.|
|8||Partitioning methods of XAP is Sharding.||It doesn’t holds sharding partitioning methods.|
|10||It has Immediate Consistency concept.||Yes, Virtuoso has Consistency concept.|
|11||Implementation language of XAP is Java, C++, .Net.||Implementation language of Virtuoso is C.|
|12||It doesn’t holds Foreign keys.||It holds Foreign keys.|
|13||It has SQL-like query language and DML statements.||Yes, Virtuoso has SQL.|
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