Adabas和阿里云MaxCompute的区别

1.阿达巴斯：
Adabas 代表自适应数据库系统。它由 Software AG 开发，可在 IBM 大型机上运行。它于 1971 年推出。它是一个用于大型机和 Linux/Unix/Windows 环境的 OLTP-DBMS。 Adabas 是一个企业数据库管理系统 (DBMS)，专为可靠性、高性能、可扩展性和低总体拥有成本而设计。

2.阿里云MaxCompute：
MaxCompute 以前称为 ODPS，是一个通用的、全托管的、多租户的数据处理平台，用于大规模数据仓库。它用于存储和计算批量结构化数据。它提供了大量的数据仓库解决方案以及大数据分析和建模服务。

Adabas和阿里云MaxCompute的区别：

S.NO.	ADABAS	Alibaba Cloud MaxCompute
1.	It was developed by Software AG in 1971.	It was developed by Alibaba in 2016.
2.	It is an OLTP-DBMS for mainframes and Linux/Unix/Windows environments.	It is a general purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousing.
3.	It is not available as a cloud service.	It is available as a cloud service.
4.	Server operating systems for Adabas are BS2000, Linux, Unix, Windows, z/OS and z/VSE.	In Alibaba Cloud MaxCompute there are hosted server operating systems.
5.	It does not support XML Format.	It also does not support XML Format.
6.	Server-side scripting is done in Natural language.	It supports user defined functions based Server-side scripting.
7.	It supports partitioning methods.	Supported partitioning method is Sharding.
8.	It supports SQL query language with add-on product Adabas SQL Gateway.	It supports SQL-like query language.
9.	It supports Replication with add-on product Event Replicator.	It also supports replication methods.
10.	Adabas does not provide the concept of Referential Integrity. Hence, no Foreign Keys.	MaxCompute also does not the concept of Referential Integrity. Hence, no Foreign Keys.
11.	The license of Adabas is commercial.	The license of Alibaba Cloud MaxCompute is also commercial.
12.	The primary database model of Adabas is Multivalue DBMS.	The primary database model is Search Engine.
13.	It does not offer any API for user-defined Map/Reduce methods.	It offers an API for user-defined Map/Reduce methods.
14.	It supports ACID properties for execution of operations.	It does not support ACID properties.