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DBMS > SQream DB vs. YDB

System Properties Comparison SQream DB vs. YDB

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Editorial information provided by DB-Engines
NameSQream DB  Xexclude from comparisonYDB  Xexclude from comparison
Descriptiona GPU-based, columnar RDBMS for big data analytics workloadsA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelRelational DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.73
Rank#228  Overall
#105  Relational DBMS
Score0.34
Rank#285  Overall
#43  Document stores
#130  Relational DBMS
Websitesqream.comgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationdocs.sqream.comydb.tech/­en/­docs
DeveloperSQream TechnologiesYandex
Initial release20172019
Current release2022.1.6, December 2022
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++, CUDA, Haskell, Java, Scala
Server operating systemsLinuxLinux
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyes, ANSI Standard SQL Typesyes
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
Secondary indexesnoyes
SQL infoSupport of SQLyesSQL-like query language (YQL)
APIs and other access methods.Net
JDBC
ODBC
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesC++
Java
JavaScript (Node.js)
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresuser defined functions in Pythonno
Triggersno
Partitioning methods infoMethods for storing different data on different nodeshorizontal and vertical partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights defined for Yandex Cloud users

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More resources
SQream DBYDB
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SQream Announces Strategic Integration for Powerful Big Data Analytics with Dataiku
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15 May 2022, Embedded Computing Design

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