DBMS > Adabas vs. BoltDB vs. EJDB vs. PostgreSQL vs. SiriDB
System Properties Comparison Adabas vs. BoltDB vs. EJDB vs. PostgreSQL vs. SiriDB
|Editorial information provided by DB-Engines|
|Name||Adabas denotes "adaptable data base" Xexclude from comparison||BoltDB Xexclude from comparison||EJDB Xexclude from comparison||PostgreSQL Xexclude from comparison||SiriDB Xexclude from comparison|
|Description||OLTP - DBMS for mainframes and Linux/Unix/Windows environments used typically together with the Natural programming platform||An embedded key-value store for Go.||Embeddable document-store database library with JSON representation of queries (in MongoDB style)||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||Open Source Time Series DBMS|
|Primary database model||Multivalue DBMS||Key-value store||Document store||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Time Series DBMS|
|Secondary database models||Document store|
|Developer||Software AG||Softmotions||PostgreSQL Global Development Group www.postgresql.org/developer||Cesbit|
|Initial release||1971||2013||2012||1989 1989: Postgres, 1996: PostgreSQL||2017|
|Current release||14.5, August 2022|
|License Commercial or Open Source||commercial||Open Source MIT License||Open Source GPLv2||Open Source BSD||Open Source MIT License|
|Cloud-based only Only available as a cloud service||no||no||no||no||no|
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|Server operating systems||BS2000|
|Typing predefined data types such as float or date||yes||no||yes string, integer, double, bool, date, object_id||yes||yes Numeric data|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||no||no||yes specific XML-type available, but no XML query functionality.||no|
|SQL Support of SQL||yes with add-on product Adabas SQL Gateway||no||no||yes standard with numerous extensions||no|
|APIs and other access methods||HTTP API with add-on software Adabas SOA Gateway|
SOAP-based API with add-on software Adabas SOA Gateway
|in-process shared library||ADO.NET|
native C library
streaming API for large objects
|Supported programming languages||Natural||Go||Actionscript|
|Server-side scripts Stored procedures||in Natural||no||no||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||no|
|Partitioning methods Methods for storing different data on different nodes||yes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vista||none||none||partitioning by range, list and (since PostgreSQL 11) by hash||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, with add-on product Event Replicator||none||none||Source-replica replication other methods possible by using 3rd party extensions||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||none||Immediate Consistency|
|Foreign keys Referential integrity||no||no||no typically not needed, however similar functionality with collection joins possible||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||yes||no||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes Read/Write Locking||yes||yes|
|Durability Support for making data persistent||yes||yes||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||no||no||yes|
|User concepts Access control||only with OS-specific tools (e.g. IBM RACF, CA Top Secret)||no||no||fine grained access rights according to SQL-standard||simple rights management via user accounts|
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|Adabas denotes "adaptable data base"||BoltDB||EJDB||PostgreSQL||SiriDB|
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