Difference between VelocityDB and XAP
1. VelocityDB :
It is .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph) Database is fast and low memory consuming. It is an extremely high performance, easy to use, scalable, embeddable, and distributable object database system.
2. XAP :
It is 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 VelocityDB and XAP :
VelocityDB | XAP |
---|---|
It is developed by VelocityDB Inc and initially released on 2011. | It is developed by Gigaspaces Technologies and initially released on 2000. |
Its server operating systems of VelocityDB is Any that supports .NET | Its server operating systems of XAP Linux, macOS, Solaris, Windows. |
Its primary database model is Graph DBMS and Object oriented DBMS | Its primary database model is Document store and Key-value store. |
Absence of Secondary database models in VelocityDB | Secondary database models of XAP is Object oriented DBMS. |
It supports .Net programming languages. | It supports .Net, C++, Java programming languages. |
APIs and other access methods of VelocityDB is .Net | It supports GigaSpaces LRMI, Hibernate, JCache, JDBC, JPA, ODBC, RESTful HTTP API, Spring Data. |
It has Data Schema. | Data Schema of XAP is schema-free. |
It has Implementation language-C# . | Implementation language of XAP is Java, C++, .Net. |
It has transaction concepts is ACID (atomicity, Consistency, Isolation, and Durability). | XAP has ACID (atomicity, Consistency, Isolation, and Durability) concepts transaction concepts. |
Absence of Replication methods | Replication methods of XAP- Master-master replication and Master-slave replication. |
It has Immediate Consistency concept. | It has Immediate Consistency concept. |
Sharding is a Partitioning methods of VelocityDB. | Sharding is a Partitioning methods of XAP. |