📜  阿里云PolarDB版和AllegroGraph的区别

📅  最后修改于: 2021-09-09 11:09:47             🧑  作者: Mango

1. 阿里云云数据库PolarDB:
它是一个与 MySQL、PostgreSQL 和 Oracle 兼容的云原生关系数据库。云数据库架构在单个集群中支持 5000 台物理机。它专为需要快速性能、高并发和自动扩展的业务关键型数据库应用程序而设计。

2.快板图:
它是一个高性能、持久的 RDF 存储,额外支持 Graph DBMS。它作为文档存储运行,旨在以 JSON-LD 格式存储、检索和管理面向文档的信息。 AllegroGraph 的第一个版本于 2004 年发布。阿里云PolarDB版和AllegroGraph的区别:

S.NO. Alibaba Cloud ApsaraDB for PolarDB ALLEGROGRAPH
1. It was developed by Alibaba in August 2013. It was developed by Franz Inc. in 2004.
2. It is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. It is a high performance, persistent RDF store with additional support for Graph DBMS.
3. In Alibaba Cloud ApsaraDB for PolarDB there are hosted server operating systems. Server operating systems for AllegroGraph are Linux, OS X and Windows.
4. The license of Alibaba Cloud ApsaraDB for PolarDB is commercial. The license of AllegroGraph is also commercial.
5. It supports XML Format. It does not support XML Format.
6. It supports the Server-side scripting It support the Server-side scripting with JavaScript or Common Lisp.
7. There is only one partitioning method – Sharding. The partitioning can be done with Federation.
8. It supports SQL query language. It uses SPARQL as query language.
9. It supports replication methods. It support two replication methods : Master-Slave Replication and Multi-Master Replication.
10. ApsaraDB for PolarDB provides the concept of Referential Integrity. Hence, there are Foreign Keys. AllegroGraph does not provide the concept of Referential Integrity. Hence, no Foreign Keys.
11. It supports in-memory capabilities. It does not support in-memory capabilities.
12. It does not offer any API for user-defined Map/Reduce methods. It also does not offer any API for user-defined Map/Reduce methods.
13. It is available as a cloud service. It is not available as a cloud service.
14. Programming languages supported are Java and Python. Programming languages supported are C#, Clojure, Java, Lisp, Perl, Python, Ruby and Scala.