Difference between Amazon Redshift and Amazon SimpleDB

1. Amazon Redshift :
Amazon Redshift is an efficient solution to collect and store all your data and enables you to analyze it. It is a large scale data warehouse service for use with business intelligence tools. Feature of Amazon Redshift – fast, simple, cost-effective data warehousing service. It forms part of the larger cloud-computing platform Amazon Web Services.

2. Amazon SimpleDB :
It is a hosted simple database service by Amazon, with the data stored in the Amazon Cloud. It is Amazon is a web service for running queries on structured data in real-time. This database is written in Erlang by Amazon.com. It has the following features – high availability and flexibility, with little or no administrative burden.

Difference between Amazon Redshift and Amazon SimpleDB :

S.NO.	Amazon Redshift	Amazon SimpleDB
1.	Developed By Amazon in 2012.	Developed By Amazon in 2007.
2.	It is a large scale data warehouse service for use with business intelligence tools.	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.	It provides the concept of Referential Integrity. Hence, there are Foreign Keys.	It does not provide the concept of Referential Integrity. Hence, no Foreign Keys.
5.	Its primary database model is Relational DBMS.	Its primary database model is the Key-value store.
6.	It supports user-defined functions for Server-side scripting in python.	It does not support the Server-side scripting.
7.	It supports partitioning methods with Sharding.	It does not support partitioning methods.
8.	It supports SQL query language. But it does not fully support an SQL-standard.	It does not support the SQL query language.
9.	It supports the ACID property.	It does not support the ACID property.
10.	It supports predefined data types such as float or date.	It does not supports predefined data types such as float or date.

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