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📜  Amazon DocumentDB和Amazon SimpleDB之间的区别

📅  最后修改于: 2021-07-05 09:12:19             🧑  作者: Mango

1. Amazon DocumentDB:
它是一种商业许可的数据库,具有以下功能,因为它是一种支持MongoDB工作负载的快速,可扩展,高度可用和完全托管的文档数据库服务。目前在AWS的加利福尼亚州,俄勒冈州,北弗吉尼亚州和爱尔兰地区可用。它通过模拟响应来实现Apache 2.0开源MongoDB 3.6 API。

2. Amazon SimpleDB:
它是Amazon托管的简单数据库服务,数据存储在Amazon Cloud中。它是Amazon是一项用于实时在结构化数据上运行查询的Web服务。该数据库由Amazon.com用Erlang编写。它具有以下功能–高可用性和灵活性,几乎没有管理负担。

Amazon DocumentDB和Amazon SimpleDB之间的区别:

S.NO. Amazon DocumentDB Amazon SimpleDB
1. It is developed By Amazon in 2019. It is developed By Amazon in 2007.
2. It is a fast, scalable, highly available, and fully managed MongoDB-compatible database service. It is a hosted simple database service by Amazon, with the data stored in the Amazon Cloud.
3. It supports predefined data types such as float or date. It does not support predefined data types such as float or date.
4. Its Primary database model is a Document store. Its primary database model is the Key-value store.
5. It does not offers an API for user-defined Map/Reduce methods. But maybe implemented via Amazon Elastic MapReduce (Amazon EMR). It does not offer an API for user-defined Map/Reduce methods.
6. It supports Atomic single-document operations. It does not support the ACID property.
7. It does not support partitioning methods. It also does not support partitioning methods. But sharding must be implemented in the application.
8. It supports SQL query language. It does not support the SQL query language.
9. It supports Multi-availability zones for high availability. It supports replication methods.
10. The programming languages supported are Go, Java, PHP, JavaScript, and Python. The programming languages supported are .Net, C, C++, Erlang, Java, PHP, Python, Ruby, and Scala.