DBMS > Quasardb vs. SpatiaLite vs. STSdb
System Properties Comparison Quasardb vs. SpatiaLite vs. STSdb
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|Editorial information provided by DB-Engines|
|Name||Quasardb Xexclude from comparison||SpatiaLite Xexclude from comparison||STSdb Xexclude from comparison|
|Description||Distributed, high-performance timeseries database||Spatial extension of SQLite||Key-Value Store with special method for indexing optimized for high performance using a special indexing method|
|Primary database model||Time Series DBMS||Spatial DBMS||Key-value store|
|Secondary database models||Relational DBMS|
|Developer||quasardb||Alessandro Furieri||STS Soft SC|
|Current release||3.13.3, April 2022||5.0.0, August 2020||4.0.8, September 2015|
|License Commercial or Open Source||commercial Free community edition, Non-profit organizations and non-commercial usage are eligible for free licenses||Open Source MPL 1.1, GPL v2.0 or LGPL v2.1||Open Source GPLv2, commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||BSD|
|Typing predefined data types such as float or date||yes integer and binary||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|
|Secondary indexes||yes with tags||yes||no|
|SQL Support of SQL||SQL-like query language||yes||no|
|APIs and other access methods||HTTP API||.NET Client API|
|Supported programming languages||.Net|
|Server-side scripts Stored procedures||no||no||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding consistent hashing||none||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Source-replica replication with selectable replication factor||none||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||with Hadoop integration||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes by using LevelDB||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes Transient mode||yes|
|User concepts Access control||Cryptographically strong user authentication and audit trail||no||no|
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