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📜  Amazon Aurora 和 Amazon SimpleDB 之间的区别

📅  最后修改于: 2021-09-11 04:17:45             🧑  作者: Mango

1.亚马逊极光:
它是来自 Amazon Web Services 的完全托管的关系数据库引擎,与 PostgreSQL 和 MySQL 兼容。它比标准 MySQL 数据库快五倍,比标准 PostgreSQL 数据库快三倍。 Aurora 的特点是分布式、容错和自愈存储系统。

2. 亚马逊简单数据库:
它是亚马逊托管的简单数据库服务,数据存储在亚马逊云中。 Amazon 是一项网络服务,用于实时对结构化数据运行查询。这个数据库是由 Amazon.com 用 Erlang 编写的。它具有以下特点——高可用性和灵活性,很少或没有管理负担。

Amazon Aurora 和 Amazon SimpleDB 的区别:

S.NO. Amazon Aurora Amazon SimpleDB
1. Developed By Amazon in 2015. Developed By Amazon in 2007.
2. It is a MySQL and PostgreSQL compatible cloud service by Amazon. It is a hosted simple database service by Amazon, with the data stored in the Amazon Cloud.
3. It supports the ACID property. It does not support the ACID property.
4. Immediate Consistency is used to ensure consistency in a distributed system. Eventual Consistency and Immediate Consistency is used to ensure consistency in a distributed system.
5. Its Primary database model is Relational DBMS. Its primary database model is the Key-value store.
6. It supports Server-side scripting. It does not support the Server-side scripting.
7. The partitioning can be done with horizontal partitioning. It does not support partitioning methods.
8. It supports SQL query language. It does not support the SQL query language.
9. It supports only one replication method – Master-slave replication. It supports replication methods.
10. It provides the concept of Referential Integrity. Hence, no Foreign Keys. It does not provide the concept of Referential Integrity. Hence, no Foreign Keys.
11. It supports predefined data types such as float or date. It does not support predefined data types such as float or date.