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DBMS > IBM Db2 warehouse vs. OpenTenBase vs. YDB

System Properties Comparison IBM Db2 warehouse vs. OpenTenBase vs. YDB

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Editorial information provided by DB-Engines
NameIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonOpenTenBase  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionCloud-based data warehousing serviceAn enterprise-level distributed HTAP open source database based on PostgreSQLA 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 DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.25
Rank#164  Overall
#75  Relational DBMS
Score0.00
Rank#392  Overall
#158  Relational DBMS
Score0.38
Rank#269  Overall
#43  Document stores
#124  Relational DBMS
Websitewww.ibm.com/­products/­db2/­warehousegithub.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
github.com/­ydb-platform/­ydb
ydb.tech
Technical documentationdocs.opentenbase.org
docs.opentenbase.org/­en
ydb.tech/­en/­docs
DeveloperIBMOpenAtom Foundation, previously TencentYandex
Initial release20142019
Current release2.5, January 2024
License infoCommercial or Open SourcecommercialOpen Source infoBSD-3Open Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemshostedLinuxLinux
Data schemeyesyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyes
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 possibleno
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesSQL-like query language (YQL)
APIs and other access methods.NET Client API
JDBC
ODBC
OLE DB
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
Go
Java
PHP
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresPL/SQL, SQL PLno
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users, groups and roles according to SQL-standardAccess rights defined for Yandex Cloud users

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More resources
IBM Db2 warehouse infoformerly named IBM dashDBOpenTenBaseYDB
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