1. 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.
2. Alibaba Cloud Log Service :
The Log Service is a complete real-time data logging service. It was developed by Alibaba Group. It supports collection, consumption, shipping, search, and analysis of logs.
Difference between Alibaba Cloud ApsaraDB for PolarDB and Alibaba Cloud Log Service :
|S.NO.||Alibaba Cloud ApsaraDB for PolarDB||Alibaba Cloud Log Service|
|1.||It was developed by Alibaba in August 2013.||It was developed by AlibabaCloud Inc. in 2016.|
|2.||It is a cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle.||It is a complete real-time data logging service that supports collection, consumption, shipping, search, and analysis of logs.|
|3.||In Alibaba Cloud ApsaraDB for PolarDB there are hosted server operating systems.||In Alibaba Cloud Log Service also there are hosted server operating systems.|
|4.||The license of Alibaba Cloud ApsaraDB for PolarDB is commercial.||The license of Alibaba Cloud Log Service is also commercial.|
|5.||It supports XML Format.||It does not support XML Format.|
|6.||It supports the Server-side scripting.||It does not support the Server-side scripting.|
|7.||There is only one partitioning method – Sharding.||There is only one partitioning method – Sharding.|
|8.||It supports SQL query language.||It also supports SQL query language.|
|9.||It support replication methods.||It support 3 replicas.|
|10.||ApsaraDB for PolarDB also provides the concept of Referential Integrity. Hence, there are Foreign Keys.||Log Service does not provides the concept of Referential Integrity. Hence, no 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 offers an ES-Hadoop Connector as a Map/Reduce method.|
|13.||It supports ACID properties.||It does not support ACID properties.|
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