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DBMS > Coveo vs. Graphite vs. LevelDB vs. PostGIS

System Properties Comparison Coveo vs. Graphite vs. LevelDB vs. PostGIS

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Editorial information provided by DB-Engines
NameCoveo  Xexclude from comparisonGraphite  Xexclude from comparisonLevelDB  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentData logging and graphing tool for time series data infoThe storage layer (fixed size database) is called WhisperEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesSpatial extension of PostgreSQL
Primary database modelSearch engineTime Series DBMSKey-value storeSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.11
Rank#118  Overall
#11  Search engines
Score4.83
Rank#67  Overall
#4  Time Series DBMS
Score2.25
Rank#115  Overall
#19  Key-value stores
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Websitewww.coveo.comgithub.com/­graphite-project/­graphite-webgithub.com/­google/­leveldbpostgis.net
Technical documentationdocs.coveo.comgraphite.readthedocs.iogithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdpostgis.net/­documentation
DeveloperCoveoChris DavisGoogle
Initial release2012200620112005
Current release1.23, February 20213.4.2, February 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoBSDOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languagePythonC++C
Server operating systemshostedLinux
Unix
Illumos
Linux
OS X
Windows
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesschema-freeyes
Typing infopredefined data types such as float or dateyesNumeric data onlynoyes
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.nononoyes
Secondary indexesyesnonoyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsRESTful HTTP APIHTTP API
Sockets
Supported programming languagesC#
Java
JavaScript
Python
JavaScript (Node.js)
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Server-side scripts infoStored proceduresnononouser defined functions
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesyesnonenoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesyesnonenoneyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyes infolockingyesyes
Durability infoSupport for making data persistentyesyesyes infowith automatic compression on writesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlgranular access controls, API key management, content filtersnonoyes infobased on PostgreSQL

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