1. Alibaba Cloud ApsaraDB for PolarDB :
It 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.
2. Altibase :
It is an open-source relational database model system (RDBMS). The first version of Altibase was called Spiner which was released in 1999. It is an enterprise grade, in-memory, hybrid, high-performance RDBMS. It is manufactured by Altibase Corporation. It supports the complete SQL standard, features and Multi-Version Concurrency Control (MVCC) and also implements Fuzzy and Ping-Pong Checkpointing.
Difference between Alibaba Cloud ApsaraDB for PolarDB and Altibase :
|S.NO.||Alibaba Cloud ApsaraDB for PolarDB||ALTIBASE|
|1.||It was developed by Alibaba in August 2013.||It was developed by Altibase in 1999.|
|2.||It is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle.||It is an enterprise grade, high-performance RDBMS.|
|3.||In Alibaba Cloud ApsaraDB for PolarDB there are hosted server operating systems.||Server operating systems for Altibase are AIX, HP-UX and Linux.|
|4.||The license of Alibaba Cloud ApsaraDB for PolarDB is commercial.||The license of Altibase is a open-source.|
|5.||It supports XML Format.||It does not support XML Format.|
|6.||It support the Server-side scripting||It stored procedures and stored functions.|
|7.||Supported partitioning method is Sharding.||It supports stored procedures and stored functions.|
|8.||It supports SQL query language.||It uses ANSI SQL-92 as a query language.|
|9.||It supports replication methods.||It also supports replication methods.|
|10.||ApsaraDB for PolarDB provides the concept of Referential Integrity. Hence, there are Foreign Keys.||Altibase provides the concept of Referential Integrity. Hence, there are Foreign Keys.|
|11.||It supports in-memory capabilities.||It does not support in-memory capabilities.|
|12.||It does not offer any API for user-defined Map/Reduce methods.||It also does not offer any API for user-defined Map/Reduce methods.|
|13.||It is available as a cloud service.||It is not available as a cloud service.|
|14.||Programming languages supported are Java and Python.||Programming languages supported are C, C++, Java.|
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