DBMS > Alibaba Cloud AnalyticDB for PostgreSQL vs. Blazegraph vs. Sequoiadb
System Properties Comparison Alibaba Cloud AnalyticDB for PostgreSQL vs. Blazegraph vs. Sequoiadb
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|Editorial information provided by DB-Engines|
|Name||Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB Xexclude from comparison||Blazegraph Xexclude from comparison||Sequoiadb Xexclude from comparison|
|Amazon has acquired Blazegraph's domain and (probably) product. It is said that Amazon Neptune is based on Blazegraph.|
|Description||An online MPP (Massively Parallel Processing) data warehousing service based on Greenplum||High-performance graph database supporting Semantic Web (RDF/SPARQL) and Graph Database (tinkerpop3, blueprints, vertex-centric) APIs with scale-out and High Availability.||NewSQL database with distributed OLTP and SQL|
|Primary database model||Relational DBMS||Graph DBMS|
|Developer||Alibaba / Pivotal Software Inc. / PostgreSQL Global Development Group||Blazegraph||Sequoiadb Ltd.|
|Current release||2.1.5, March 2019|
|License Commercial or Open Source||commercial||Open Source extended commercial license available||Open Source Server: AGPL; Client: Apache V2|
|Cloud-based only Only available as a cloud service||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||Linux|
|Typing predefined data types such as float or date||yes||yes RDF literal types||yes oid, date, timestamp, binary, regex|
|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.||yes||no|
|SQL Support of SQL||yes||SPARQL is used as query language||SQL-like query language|
|APIs and other access methods||JDBC|
RESTful HTTP API
|proprietary protocol using JSON|
|Supported programming languages||C|
|Partitioning methods Methods for storing different data on different nodes||Sharding Implicit feature of the cloud service||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes Implicit feature of the cloud service||yes||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency or Eventual Consistency depending on configuration||Eventual Consistency|
|Foreign keys Referential integrity||yes||yes Relationships in Graphs||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||Document is locked during a transaction|
|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||fine grained access rights according to SQL-standard||Security and Authentication via Web Application Container (Tomcat, Jetty)||simple password-based access control|
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|Alibaba Cloud AnalyticDB for PostgreSQL former name was HybridDB||Blazegraph||Sequoiadb|
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