DBMS > EventStoreDB vs. eXtremeDB
System Properties Comparison EventStoreDB vs. eXtremeDB
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|Editorial information provided by DB-Engines|
|Name||EventStoreDB Xexclude from comparison||eXtremeDB Xexclude from comparison|
|Description||Industrial-strength, open-source database solution built from the ground up for event sourcing.||Natively in-memory DBMS with options for persistency, high-availability and clustering|
|Primary database model||Event Store||Relational DBMS|
Time Series DBMS
|Developer||Event Store Limited||McObject|
|Current release||21.2, February 2021||8.2, 2021|
|License Commercial or Open Source||Open Source||commercial|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C and C++|
|Server operating systems||Linux|
|Typing predefined data types such as float or date||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 support of XML interfaces available|
|SQL Support of SQL||yes with the option: eXtremeSQL|
|APIs and other access methods||.NET Client API|
RESTful HTTP API
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||yes|
|Triggers||yes by defining events|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning / sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Active Replication Fabric™ for IoT|
Multi-source replication by means of eXtremeDB Cluster option
Source-replica replication by means of eXtremeDB High Availability option
|MapReduce Offers an API for user-defined Map/Reduce methods||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID|
|Concurrency Support for concurrent manipulation of data||yes Optimistic (MVCC) and pessimistic (locking) strategies available|
|Durability Support for making data persistent||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|More information provided by the system vendor|
|Specific characteristics||eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...|
|Competitive advantages||eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...|
|Typical application scenarios||IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...|
|Key customers||Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...|
|Market metrics||With hundreds of customers and over 30 million devices/applications using the product...|
|Licensing and pricing models||For server use cases, there is a simple per-server license irrespective of the number...|
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