DBMS > Amazon Aurora vs. Kyligence Enterprise vs. XTDB
System Properties Comparison Amazon Aurora vs. Kyligence Enterprise vs. XTDB
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|Editorial information provided by DB-Engines|
|Name||Amazon Aurora Xexclude from comparison||Kyligence Enterprise Xexclude from comparison||XTDB formerly named Crux Xexclude from comparison|
|Description||MySQL and PostgreSQL compatible cloud service by Amazon||A distributed analytics engine for big data, built on top of Apache Kylin||A general purpose database with bitemporal SQL and Datalog and graph queries|
|Primary database model||Relational DBMS||Relational DBMS||Document store|
|Secondary database models||Document store|
|Developer||Amazon||Kyligence, Inc.||Juxt Ltd.|
|Current release||1.19, September 2021|
|License Commercial or Open Source||commercial||commercial||Open Source MIT License|
|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||All OS with a Java 8 (and higher) VM|
|Typing predefined data types such as float or date||yes||yes||yes, extensible-data-notation format|
|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||no|
|SQL Support of SQL||yes||ANSI SQL for queries (using Apache Calcite)||limited SQL, making use of Apache Calcite|
|APIs and other access methods||ADO.NET|
RESTful HTTP API
|Supported programming languages||Ada|
|Server-side scripts Stored procedures||yes||no|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication||yes, each node contains all data|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no|
|User concepts Access control||fine grained access rights according to SQL-standard|
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|Amazon Aurora||Kyligence Enterprise||XTDB formerly named Crux|
|DB-Engines blog posts|
Cloud-based DBMS's popularity grows at high rates The popularity of cloud-based DBMSs has increased tenfold in four years Amazon - the rising star in the DBMS market
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|Recent citations in the news|
AWS announces new version of Aurora database that strips out I/O costs
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