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📜  阿里云PolarDB与阿里云TSDB的区别

📅  最后修改于: 2021-09-08 15:56:11             🧑  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.阿里云TSDB:
它是一个分布式时间序列数据库。是一种稳定、可靠、性价比高的在线高性能数据库服务。它提供高效的数据读写能力、高压缩比存储以及时序数据插值和聚合。

阿里云PolarDB与阿里云TSDB的区别:

S.NO. Alibaba Cloud ApsaraDB for PolarDB Alibaba Cloud TSDB
1. It was developed by Alibaba in August 2013. It was developed by Alibaba.
2. It is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. It is a stable, reliable, and cost-effective online high-performance time series database service.
3. In Alibaba Cloud ApsaraDB for PolarDB there are hosted server operating systems. In Alibaba Cloud TSDB there are hosted server operating systems.
4. The license of Alibaba Cloud ApsaraDB for PolarDB is commercial. The license of Alibaba Cloud TSDB is also commercial.
5. It supports XML format. It does not support XML format.
6. It supports the Server-side scripting. It does not support the Server-side scripting.
7. There is only one partitioning method – Sharding. There are no partitioning methods.
8. It supports SQL query language. It does not support SQL query language.
9. It supports replication methods. It does not support replication methods.
10. ApsaraDB for PolarDB provides the concept of Referential Integrity. Hence, there are Foreign Keys. TSDB 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 supports ACID properties. It does not support ACID properties.
14. Programming languages supported are Java and Python. Programming language supported is Java.