Difference between Adabas and Alibaba Cloud ApsaraDB for PolarDB
1. Adabas :
The Adabas stands for an Adaptable Database System. It was developed by Software AG to run on IBM mainframes. It was launched in 1971. It is an OLTP-DBMS for mainframes and Linux/Unix/Windows environments. Adabas is an enterprise database management system (DBMS) designed for reliability, high performance, scalability and low total cost of ownership.
2. Alibaba Cloud ApsaraDB for PolarDB :
The ApsaraDB for PolarDB is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. ApsaraDB architecture supported 5000 physical machines in a single cluster. It is designed for business-critical database applications that require fast performance, high concurrency, and automatic scaling.
Difference between Adabas and Alibaba Cloud ApsaraDB for PolarDB :
|S.NO.||ADABAS||Alibaba Cloud ApsaraDB for PolarDB|
|1.||It was developed by Software AG in 1971.||It was developed by Alibaba on August 2013.|
|2.||It is an OLTP-DBMS for mainframes and Linux/Unix/Windows environments.||It is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle.|
|3.||It does not support in-memory capabilities.||It supports in-memory capabilities.|
|4.||Server operating systems for Adabas are BS2000, Linux, Unix, Windows, z/OS and z/VSE.||In Alibaba Cloud ApsaraDB for PolarDB there are hosted server operating systems.|
|5.||It does not support XML Format.||It supports XML Format.|
|6.||Server-side scripting is done in Natural language.||It also supports the 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 also supports SQL 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.||ApsaraDB for PolarDB provides the concept of Referential Integrity. Hence, there are Foreign Keys.|
|11.||The license of Adabas is commercial.||The license of Alibaba Cloud ApsaraDB for PolarDB is also commercial.|
|12.||The primary database model of Adabas is Multivalue DBMS.||The primary database model is Relational DBMS.|
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