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DBMS > IBM Db2 warehouse vs. Snowflake vs. SQream DB vs. SwayDB vs. YDB

System Properties Comparison IBM Db2 warehouse vs. Snowflake vs. SQream DB vs. SwayDB vs. YDB

Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonSnowflake  Xexclude from comparisonSQream DB  Xexclude from comparisonSwayDB  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionCloud-based data warehousing serviceCloud-based data warehousing service for structured and semi-structured dataa GPU-based, columnar RDBMS for big data analytics workloadsAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storageA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelRelational DBMSRelational DBMSRelational DBMSKey-value storeDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.61
Rank#156  Overall
#71  Relational DBMS
Score125.38
Rank#9  Overall
#6  Relational DBMS
Score0.72
Rank#235  Overall
#108  Relational DBMS
Score0.03
Rank#385  Overall
#60  Key-value stores
Score0.36
Rank#281  Overall
#43  Document stores
#128  Relational DBMS
Websitewww.ibm.com/­products/­db2/­warehousewww.snowflake.comsqream.comswaydb.simer.augithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationdocs.snowflake.net/­manuals/­index.htmldocs.sqream.comydb.tech/­en/­docs
DeveloperIBMSnowflake Computing Inc.SQream TechnologiesSimer PlahaYandex
Initial release20142014201720182019
Current release2022.1.6, December 2022
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Source infoGNU Affero GPL V3.0Open Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud serviceyesyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, CUDA, Haskell, Java, ScalaScala
Server operating systemshostedhostedLinuxLinux
Data schemeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)yesschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyes, ANSI Standard SQL Typesnoyes
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 possibleyesnono
Secondary indexesyesnonoyes
SQL infoSupport of SQLyesyesyesnoSQL-like query language (YQL)
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
CLI Client
JDBC
ODBC
.Net
JDBC
ODBC
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
JavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
Java
Kotlin
Scala
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresPL/SQL, SQL PLuser defined functionsuser defined functions in Pythonnono
Triggersyesno infosimilar concept for controling cloud resourcesnono
Partitioning methods infoMethods for storing different data on different nodesShardingyeshorizontal and vertical partitioningnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesnonenoneActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDAtomic execution of operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authenticationnoAccess rights defined for Yandex Cloud users

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBSnowflakeSQream DBSwayDBYDB
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