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DBMS > Datomic vs. EXASOL vs. OpenMLDB vs. SAP HANA vs. Snowflake

System Properties Comparison Datomic vs. EXASOL vs. OpenMLDB vs. SAP HANA vs. Snowflake

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonEXASOL  Xexclude from comparisonOpenMLDB  Xexclude from comparisonSAP HANA  Xexclude from comparisonSnowflake  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.An open-source machine learning database that provides a feature platform for training and inferenceIn-memory, column based data store. Available as appliance or cloud serviceCloud-based data warehousing service for structured and semi-structured data
Primary database modelRelational DBMSRelational DBMSTime Series DBMSRelational DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
Graph DBMS infowith SAP Hana, Enterprise Edition
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score44.27
Rank#23  Overall
#16  Relational DBMS
Score130.36
Rank#8  Overall
#5  Relational DBMS
Websitewww.datomic.comwww.exasol.comopenmldb.aiwww.sap.com/­products/­hana.htmlwww.snowflake.com
Technical documentationdocs.datomic.comwww.exasol.com/­resourcesopenmldb.ai/­docs/­zh/­mainhelp.sap.com/­hanadocs.snowflake.net/­manuals/­index.html
DeveloperCognitectExasol4 Paradigm Inc.SAPSnowflake Computing Inc.
Initial release20122000202020102014
Current release1.0.6735, June 20232024-2 February 20242.0 SPS07 (April 4, 2023), April 2023
License infoCommercial or Open Sourcecommercial infolimited edition freecommercialOpen Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono infoalso available as a cloud based serviceyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureC++, Java, Scala
Server operating systemsAll OS with a Java VMLinuxAppliance or cloud-servicehosted
Data schemeyesyesFixed schemayesyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nonononoyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoyesyesyesyes
APIs and other access methodsRESTful HTTP API.Net
JDBC
ODBC
WebSocket
JDBC
SQLAlchemy
JDBC
ODBC
CLI Client
JDBC
ODBC
Supported programming languagesClojure
Java
Java
Lua
Python
R
C++
Go
Java
Python
Scala
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyes infoTransaction Functionsuser defined functionsnoSQLScript, Ruser defined functions
TriggersBy using transaction functionsyesnoyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersShardinghorizontal partitioningyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersSource-replica replicationyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentyesyesyesno
User concepts infoAccess controlnoAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardyesUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
DatomicEXASOLOpenMLDBSAP HANASnowflake
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