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DBMS > EventStoreDB vs. IBM Db2 warehouse vs. Lovefield vs. Microsoft Azure AI Search vs. Oracle Coherence

System Properties Comparison EventStoreDB vs. IBM Db2 warehouse vs. Lovefield vs. Microsoft Azure AI Search vs. Oracle Coherence

Editorial information provided by DB-Engines
NameEventStoreDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonLovefield  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionIndustrial-strength, open-source database solution built from the ground up for event sourcing.Cloud-based data warehousing serviceEmbeddable relational database for web apps written in pure JavaScriptSearch-as-a-service for web and mobile app developmentOracles in-memory data grid solution
Primary database modelEvent StoreRelational DBMSRelational DBMSSearch engineKey-value store
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.19
Rank#173  Overall
#1  Event Stores
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score0.33
Rank#286  Overall
#131  Relational DBMS
Score5.52
Rank#59  Overall
#6  Search engines
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitewww.eventstore.comwww.ibm.com/­products/­db2/­warehousegoogle.github.io/­lovefieldazure.microsoft.com/­en-us/­services/­searchwww.oracle.com/­java/­coherence
Technical documentationdevelopers.eventstore.comgithub.com/­google/­lovefield/­blob/­master/­docs/­spec_index.mdlearn.microsoft.com/­en-us/­azure/­searchdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperEvent Store LimitedIBMGoogleMicrosoftOracle
Initial release20122014201420152007
Current release21.2, February 20212.1.12, February 2017V114.1, August 2023
License infoCommercial or Open SourceOpen SourcecommercialOpen Source infoApache 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptJava
Server operating systemsLinux
Windows
hostedserver-less, requires a JavaScript environment (browser, Node.js) infotested with Chrome, Firefox, IE, SafarihostedAll OS with a Java VM
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes
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.no infoImport/export of XML data possiblenonono
Secondary indexesyesyesyesno
SQL infoSupport of SQLyesSQL-like query language infovia JavaScript builder patternnono
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
RESTful HTTP APIJCache
JPA
RESTful HTTP API
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
JavaScriptC#
Java
JavaScript
Python
.Net
C++
Java
Server-side scripts infoStored proceduresPL/SQL, SQL PLnonono
TriggersyesUsing read-only observersnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding infoImplicit feature of the cloud serviceSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneyes infoImplicit feature of the cloud serviceyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, by using IndexedDB or the cloud service Firebase Realtime Databaseyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infousing MemoryDBnoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardnoyes infousing Azure authenticationauthentification to access the cache via certificates or http basic authentication

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More resources
EventStoreDBIBM Db2 warehouse infoformerly named IBM dashDBLovefieldMicrosoft Azure AI SearchOracle Coherence
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