DBMS > Derby vs. Microsoft Azure Search vs. Quasardb
System Properties Comparison Derby vs. Microsoft Azure Search vs. Quasardb
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|Editorial information provided by DB-Engines|
|Name||Derby often called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB Xexclude from comparison||Microsoft Azure Search Xexclude from comparison||Quasardb Xexclude from comparison|
|Description||Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.||Search-as-a-service for web and mobile app development||Distributed, high-performance timeseries database|
|Primary database model||Relational DBMS||Search engine||Time Series DBMS|
|Developer||Apache Software Foundation||Microsoft||quasardb|
|Current release||10.16.1.1, May 2022||V1||3.13.3, April 2022|
|License Commercial or Open Source||Open Source Apache version 2||commercial||commercial Free community edition, Non-profit organizations and non-commercial usage are eligible for free licenses|
|Cloud-based only Only available as a cloud service||no||yes||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||All OS with a Java VM||hosted||BSD|
|Typing predefined data types such as float or date||yes||yes||yes integer and binary|
|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.||yes||no||no|
|Secondary indexes||yes||yes||yes with tags|
|SQL Support of SQL||yes||no||SQL-like query language|
|APIs and other access methods||JDBC||RESTful HTTP API||HTTP API|
|Supported programming languages||Java||.Net|
|Server-side scripts Stored procedures||Java Stored Procedures||no||no|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding Implicit feature of the cloud service||Sharding consistent hashing|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication||yes Implicit feature of the cloud service||Source-replica replication with selectable replication factor|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||with Hadoop integration|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes by using LevelDB|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no||yes Transient mode|
|User concepts Access control||fine grained access rights according to SQL-standard||yes using Azure authentication||Cryptographically strong user authentication and audit trail|
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|Derby often called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB||Microsoft Azure Search||Quasardb|
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