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DBMS > Immudb vs. SQream DB vs. Teradata Aster vs. XTDB

System Properties Comparison Immudb vs. SQream DB vs. Teradata Aster vs. XTDB

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Editorial information provided by DB-Engines
NameImmudb  Xexclude from comparisonSQream DB  Xexclude from comparisonTeradata Aster  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
Teradata Aster has been integrated into other Teradata systems and therefore will be removed from the DB-Engines ranking.
DescriptionAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.a GPU-based, columnar RDBMS for big data analytics workloadsPlatform for big data analytics on multistructured data sources and typesA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeRelational DBMSRelational DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#295  Overall
#42  Key-value stores
Score0.74
Rank#224  Overall
#103  Relational DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitegithub.com/­codenotary/­immudb
immudb.io
sqream.comgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationdocs.immudb.iodocs.sqream.comwww.xtdb.com/­docs
DeveloperCodenotarySQream TechnologiesTeradataJuxt Ltd.
Initial release2020201720052019
Current release1.2.3, April 20222022.1.6, December 20221.19, September 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialcommercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++, CUDA, Haskell, Java, ScalaClojure
Server operating systemsBSD
Linux
macOS
Solaris
Windows
z/OS
LinuxLinuxAll OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeyesFlexible Schema (defined schema, partial schema, schema free) infodefined schema within the relational store; partial schema or schema free in the Aster File Storeschema-free
Typing infopredefined data types such as float or dateyes, ANSI Standard SQL Typesyesyes, extensible-data-notation format
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.noyes infoin Aster File Storeno
Secondary indexesyesnoyesyes
SQL infoSupport of SQLSQL-like syntaxyesyeslimited SQL, making use of Apache Calcite
APIs and other access methodsgRPC protocol
PostgreSQL wire protocol
.Net
JDBC
ODBC
ADO.NET
JDBC
ODBC
OLE DB
HTTP REST
JDBC
Supported programming languages.Net
Go
Java
JavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
C
C#
C++
Java
Python
R
Clojure
Java
Server-side scripts infoStored proceduresnouser defined functions in PythonR packagesno
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal and vertical partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoDimension tables are replicated across all nodes in the cluster. The number of replicas for the file store can be configured.yes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infoSQL Map-Reduce Frameworkno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency or Eventual Consistency depending on configuration
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlfine grained access rights according to SQL-standard

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More resources
ImmudbSQream DBTeradata AsterXTDB infoformerly named Crux
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