DBMS > Adabas vs. Apache Druid vs. Drizzle vs. STSdb
System Properties Comparison Adabas vs. Apache Druid vs. Drizzle vs. STSdb
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|Editorial information provided by DB-Engines|
|Name||Adabas denotes "adaptable data base" Xexclude from comparison||Apache Druid Xexclude from comparison||Drizzle Xexclude from comparison||STSdb Xexclude from comparison|
|Drizzle has published its last release in September 2012. The open-source project is discontinued and Drizzle is excluded from the DB-Engines ranking.|
|Description||OLTP - DBMS for mainframes and Linux/Unix/Windows environments used typically together with the Natural programming platform||Open-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality data||MySQL fork with a pluggable micro-kernel and with an emphasis of performance over compatibility.||Key-Value Store with special method for indexing optimized for high performance using a special indexing method|
|Primary database model||Multivalue DBMS||Relational DBMS|
Time Series DBMS
|Relational DBMS||Key-value store|
|Developer||Software AG||Apache Software Foundation and contributors||Drizzle project, originally started by Brian Aker||STS Soft SC|
|Current release||26.0.0, May 2023||7.2.4, September 2012||4.0.8, September 2015|
|License Commercial or Open Source||commercial||Open Source Apache license v2||Open Source GNU GPL||Open Source GPLv2, commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no||no|
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|Server operating systems||BS2000|
|Data scheme||yes||yes schema-less columns are supported||yes||yes|
|Typing predefined data types such as float or date||yes||yes||yes||yes primitive types and user defined types (classes)|
|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|
|SQL Support of SQL||yes with add-on product Adabas SQL Gateway||SQL for querying||yes with proprietary 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
RESTful HTTP/JSON API
|JDBC||.NET Client API|
|Supported programming languages||Natural||Clojure|
|Server-side scripts Stored procedures||in Natural||no||no||no|
|Triggers||no||no||no hooks for callbacks inside the server can be used.||no|
|Partitioning methods Methods for storing different data on different nodes||yes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vista||Sharding manual/auto, time-based||Sharding||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, with add-on product Event Replicator||yes, via HDFS, S3 or other storage engines||Multi-source replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes||yes|
|Durability Support for making data persistent||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|
|User concepts Access control||only with OS-specific tools (e.g. IBM RACF, CA Top Secret)||RBAC using LDAP or Druid internals for users and groups for read/write by datasource and system||Pluggable authentication mechanisms e.g. LDAP, HTTP||no|
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|Adabas denotes "adaptable data base"||Apache Druid||Drizzle||STSdb|
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