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DBMS > Adabas vs. Oracle Rdb vs. SpaceTime vs. SurrealDB

System Properties Comparison Adabas vs. Oracle Rdb vs. SpaceTime vs. SurrealDB

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonOracle Rdb  Xexclude from comparisonSpaceTime  Xexclude from comparisonSurrealDB  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformSpaceTime is a spatio-temporal DBMS with a focus on performance.A fully ACID transactional, developer-friendly, multi-model DBMS
Primary database modelMultivalue DBMSRelational DBMSSpatial DBMSDocument store
Graph DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.17
Rank#94  Overall
#1  Multivalue DBMS
Score1.08
Rank#184  Overall
#85  Relational DBMS
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score0.86
Rank#203  Overall
#34  Document stores
#18  Graph DBMS
Websitewww.softwareag.com/­en_corporate/­platform/­adabas-natural.htmlwww.oracle.com/­database/­technologies/­related/­rdb.htmlwww.mireo.com/­spacetimesurrealdb.com
Technical documentationwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmlsurrealdb.com/­docs
DeveloperSoftware AGOracle, originally developed by Digital Equipment Corporation (DEC)MireoSurrealDB Ltd
Initial release1971198420202022
Current release7.4.1.1, 2021v1.1.1, January 2024
License infoCommercial or Open SourcecommercialcommercialcommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Rust
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
HP Open VMSLinuxLinux
macOS
Windows
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)yesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesyesno
SQL infoSupport of SQLyes infowith add-on product Adabas SQL GatewayyesA subset of ANSI SQL is implementedSQL-like query language
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
RESTful HTTP APIGraphQL
RESTful HTTP API
WebSocket
Supported programming languagesNaturalC#
C++
Python
Deno
Go
JavaScript (Node.js)
Rust
Server-side scripts infoStored proceduresin Naturalno
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event ReplicatorReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDyes, on a single nodenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.nonono
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)yesyes, based on authentication and database rules

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Adabas infodenotes "adaptable data base"Oracle RdbSpaceTimeSurrealDB
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