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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