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DBMS > atoti vs. BigchainDB vs. Coveo vs. Memcached

System Properties Comparison atoti vs. BigchainDB vs. Coveo vs. Memcached

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonBigchainDB  Xexclude from comparisonCoveo  Xexclude from comparisonMemcached  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.BigchainDB is scalable blockchain database offering decentralization, immutability and native assetsAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentIn-memory key-value store, originally intended for caching
Primary database modelObject oriented DBMSDocument storeSearch engineKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.56
Rank#245  Overall
#10  Object oriented DBMS
Score0.79
Rank#212  Overall
#36  Document stores
Score2.28
Rank#114  Overall
#11  Search engines
Score19.42
Rank#32  Overall
#4  Key-value stores
Websiteatoti.iowww.bigchaindb.comwww.coveo.comwww.memcached.org
Technical documentationdocs.atoti.iobigchaindb.readthedocs.io/­en/­latestdocs.coveo.comgithub.com/­memcached/­memcached/­wiki
DeveloperActiveViamCoveoDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal
Initial release201620122003
Current release1.6.25, March 2024
License infoCommercial or Open Sourcecommercial infofree versions availableOpen Source infoAGPL v3commercialOpen Source infoBSD license
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaPythonC
Server operating systemsLinuxhostedFreeBSD
Linux
OS X
Unix
Windows
Data schemeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-free
Typing infopredefined data types such as float or datenoyesno
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesyesno
SQL infoSupport of SQLMultidimensional Expressions (MDX)nonono
APIs and other access methodsCLI Client
RESTful HTTP API
RESTful HTTP APIProprietary protocol
Supported programming languagesGo
Haskell
Java
JavaScript
Python
Ruby
C#
Java
JavaScript
Python
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Server-side scripts infoStored proceduresPythonnono
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardingyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryesnone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes,with MongoDB ord RethinkDByesno
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyesgranular access controls, API key management, content filtersyes infousing SASL (Simple Authentication and Security Layer) protocol

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More resources
atotiBigchainDBCoveoMemcached
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