DBMS > Alibaba Cloud MaxCompute vs. Alibaba Cloud TSDB vs. OushuDB
System Properties Comparison Alibaba Cloud MaxCompute vs. Alibaba Cloud TSDB vs. OushuDB
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|Editorial information provided by DB-Engines|
|Name||Alibaba Cloud MaxCompute Xexclude from comparison||Alibaba Cloud TSDB Xexclude from comparison||OushuDB Xexclude from comparison|
|Description||MaxCompute (previously known as ODPS) is a general purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousing||A stable, reliable, and cost-effective online high-performance time series database service||A data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning|
|Primary database model||Relational DBMS a graph-processing framework is available with the graphs being stored in tables||Time Series DBMS||Relational DBMS|
|Current release||4.0.1, August 2020|
|License Commercial or Open Source||commercial||commercial||commercial|
|Cloud-based only Only available as a cloud service||yes||yes||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||hosted||Linux|
|Typing predefined data types such as float or date||yes||Numeric data and Strings||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no|
|SQL Support of SQL||SQL-like query language||no||Full-featured ANSI SQL support|
|APIs and other access methods||Fluentd|
|Supported programming languages||Java||Java||C|
|Server-side scripts Stored procedures||user defined functions in Java||no||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding Implicit feature of the cloud service||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||yes Implicit feature of the cloud service|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||no||Hadoop integration|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no|
|User concepts Access control||Access rights for users and roles||Access managed on TSDB instance level||Kerberos, SSL and role based access|
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|Alibaba Cloud MaxCompute||Alibaba Cloud TSDB||OushuDB|
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