DBMS > DataFS vs. KeyDB vs. TempoIQ
System Properties Comparison DataFS vs. KeyDB vs. TempoIQ
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|Editorial information provided by DB-Engines|
|Name||DataFS Xexclude from comparison||KeyDB Xexclude from comparison||TempoIQ formerly TempoDB Xexclude from comparison|
|TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.|
|Description||All data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.||An ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocols||Scalable analytics DBMS for sensor data, provided as a service (SaaS)|
|Primary database model||Object oriented DBMS||Key-value store||Time Series DBMS|
|Secondary database models||Graph DBMS|
|Developer||Mobiland AG||EQ Alpha Technology Ltd.||TempoIQ|
|Current release||1.1.263, October 2022|
|License Commercial or Open Source||commercial||Open Source BSD-3||commercial|
|Cloud-based only Only available as a cloud service||no||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Windows||Linux|
|Data scheme||Classes, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)||schema-free||schema-free|
|Typing predefined data types such as float or date||yes||partial Supported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes||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||no|
|Secondary indexes||no||yes by using the Redis Search module|
|SQL Support of SQL||no||no||no|
|APIs and other access methods||.NET Client API|
Proprietary client DLL
|Proprietary protocol RESP - REdis Serialization Protoco||HTTP API|
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||Lua||no|
|Triggers||no, except callback-events from server when changes happened||no||yes Realtime Alerts|
|Partitioning methods Methods for storing different data on different nodes||Proprietary Sharding system||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-source 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||Eventual Consistency|
Strong eventual consistency with CRDTs
|Foreign keys Referential integrity||yes||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||Optimistic locking, atomic execution of commands blocks and scripts||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes Configurable mechanisms for persistency via snapshots and/or operations logs||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes||no|
|User concepts Access control||Windows-Profile||simple password-based access control and ACL||simple authentication-based access control|
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|DataFS||KeyDB||TempoIQ formerly TempoDB|
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