DBMS > AntDB vs. EJDB vs. etcd
System Properties Comparison AntDB vs. EJDB vs. etcd
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|Editorial information provided by DB-Engines|
|Name||AntDB Xexclude from comparison||EJDB Xexclude from comparison||etcd Xexclude from comparison|
|Description||A scalable, multi-tenant, MPP-architectured RDBMS for OLTP and OLAP operations, highly compatible with Oracle||Embeddable document-store database library with JSON representation of queries (in MongoDB style)||A distributed reliable key-value store|
|Primary database model||Relational DBMS||Document store||Key-value store|
|Social network pages|
|Developer||AsiaInfo Technologies Limited||Softmotions|
|Current release||3.4, August 2019|
|License Commercial or Open Source||commercial||Open Source GPLv2||Open Source Apache Version 2.0|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Server operating systems||server-less||FreeBSD|
|Typing predefined data types such as float or date||yes||yes string, integer, double, bool, date, object_id||no|
|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|
|SQL Support of SQL||SQL2016 compliant||no||no|
|APIs and other access methods||JDBC|
MySQL protocol compliant
|in-process shared library||gRPC|
JSON over HTTP
|Supported programming languages||Actionscript|
|Server-side scripts Stored procedures||no||no|
|Triggers||yes||no||yes, watching key changes|
|Partitioning methods Methods for storing different data on different nodes||none|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Using Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||no typically not needed, however similar functionality with collection joins possible||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no||no|
|Concurrency Support for concurrent manipulation of data||yes||yes Read/Write Locking||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.||yes||no|
|User concepts Access control||no||no|
|More information provided by the system vendor|
|Specific characteristics||AntDB was initiated in 2008. On the core system of operators, AntDB provides online...|
|Competitive advantages||HTAP mixed load: AntDB is a universal, enterprise-level distributed relational database,...|
|Typical application scenarios||As the core software of large enterprise, AntDB supports multi-scenario deployment....|
|Key customers||China Mobile, China Telecom, China Unicom, Aeon Life, China Mobile Tietong, CITIC...|
|Market metrics||More than 1 billion subscribers in 24 provinces across China are served by AntDB...|
|Licensing and pricing models||Certificates and licenses CMMI5 Certificate licensed by CMMI Institute IT Product...|
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|DB-Engines blog posts|
AntDB: Answer to Database Evolution - Hyperconverged All-in-One Streaming Engine
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