DBMS > DuckDB vs. Sphinx vs. STSdb
System Properties Comparison DuckDB vs. Sphinx vs. STSdb
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|Editorial information provided by DB-Engines|
|Name||DuckDB Xexclude from comparison||Sphinx Xexclude from comparison||STSdb Xexclude from comparison|
|Description||An embeddable, in-process, column-oriented SQL OLAP RDBMS||Open source search engine for searching in data from different sources, e.g. relational databases||Key-Value Store with special method for indexing optimized for high performance using a special indexing method|
|Primary database model||Relational DBMS||Search engine||Key-value store|
|Developer||Sphinx Technologies Inc.||STS Soft SC|
|Current release||0.2, August 2020||3.4.1, July 2021||4.0.8, September 2015|
|License Commercial or Open Source||Open Source MIT License||Open Source GPL version 2, commercial licence available||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||server-less||FreeBSD|
|Typing predefined data types such as float or date||yes||no||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|
|Secondary indexes||yes||yes full-text index on all search fields||no|
|SQL Support of SQL||yes||SQL-like query language (SphinxQL)||no|
|APIs and other access methods||CLI Client|
|Proprietary protocol||.NET Client API|
|Supported programming languages||C|
Go 3rd party driver
Ruby 3rd party driver
|C++ unofficial client library|
Perl unofficial client library
Ruby unofficial client library
|Server-side scripts Stored procedures||no||no||no|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding Partitioning is done manually, search queries against distributed index is supported||none|
|Replication methods Methods for redundantly storing data on multiple nodes||none||none||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency|
|Foreign keys Referential integrity||no||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||no||no|
|Concurrency Support for concurrent manipulation of data||yes, multi-version concurrency control (MVCC)||yes||yes|
|Durability Support for making data persistent||yes||yes The original contents of fields are not stored in the Sphinx index.||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes|
|User concepts Access control||no||no||no|
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