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DBMS > SpaceTime vs. STSdb vs. YDB vs. YottaDB

System Properties Comparison SpaceTime vs. STSdb vs. YDB vs. YottaDB

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Editorial information provided by DB-Engines
NameSpaceTime  Xexclude from comparisonSTSdb  Xexclude from comparisonYDB  Xexclude from comparisonYottaDB  Xexclude from comparison
DescriptionSpaceTime is a spatio-temporal DBMS with a focus on performance.Key-Value Store with special method for indexing infooptimized for high performance using a special indexing methodA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible APIA fast and solid embedded Key-value store
Primary database modelSpatial DBMSKey-value storeDocument store
Relational DBMS
Key-value store
Secondary database modelsRelational DBMSRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.10
Rank#357  Overall
#51  Key-value stores
Score0.33
Rank#287  Overall
#43  Document stores
#132  Relational DBMS
Score0.28
Rank#306  Overall
#44  Key-value stores
Websitewww.mireo.com/­spacetimegithub.com/­STSSoft/­STSdb4github.com/­ydb-platform/­ydb
ydb.tech
yottadb.com
Technical documentationydb.tech/­en/­docsyottadb.com/­resources/­documentation
DeveloperMireoSTS Soft SCYandexYottaDB, LLC
Initial release2020201120192001
Current release4.0.8, September 2015
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, commercial license availableOpen Source infoApache 2.0; commercial license availableOpen Source infoAGPL 3.0
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 languageC++C#C
Server operating systemsLinuxWindowsLinuxDocker
Linux
Data schemeyesyesFlexible Schema (defined schema, partial schema, schema free)schema-free
Typing infopredefined data types such as float or dateyesyes infoprimitive types and user defined types (classes)yesno
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.nonono
Secondary indexesnonoyesno
SQL infoSupport of SQLA subset of ANSI SQL is implementednoSQL-like query language (YQL)by using the Octo plugin
APIs and other access methodsRESTful HTTP API.NET Client APIRESTful HTTP API (DynamoDB compatible)PostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languagesC#
C++
Python
C#
Java
Go
Java
JavaScript (Node.js)
PHP
Python
C
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresnonono
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesFixed-grid hypercubesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesReal-time block device replication (DRBD)noneActive-passive shard replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlyesnoAccess rights defined for Yandex Cloud usersUsers and groups based on OS-security mechanisms

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More resources
SpaceTimeSTSdbYDBYottaDB
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