DBMS > Coveo vs. Infobright vs. Postgres-XL
System Properties Comparison Coveo vs. Infobright vs. Postgres-XL
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|Editorial information provided by DB-Engines|
|Name||Coveo Xexclude from comparison||Infobright Xexclude from comparison||Postgres-XL Xexclude from comparison|
|Description||AI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code development||High performant column-oriented DBMS for analytic workloads using MySQL or PostgreSQL as a frontend||Based on PostgreSQL enhanced with MPP and write-scale-out cluster features|
|Primary database model||Search engine||Relational DBMS||Relational DBMS|
|Secondary database models||Document store|
|Developer||Coveo||Ignite Technologies Inc.; formerly InfoBright Inc.|
|Initial release||2012||2005||2014 since 2012, originally named StormDB|
|Current release||10 R1, October 2018|
|License Commercial or Open Source||commercial||commercial The open source (GPLv2) version did not support inserts/updates/deletes and was discontinued with July 2016||Open Source Mozilla public license|
|Cloud-based only Only available as a cloud service||yes||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||hosted||Linux|
|Data scheme||hybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configuration||yes||yes|
|Typing predefined data types such as float or date||yes||yes||yes|
|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 XML type, but no XML query functionality|
|Secondary indexes||yes||no Knowledge Grid Technology used instead||yes|
|SQL Support of SQL||no||yes||yes distributed, parallel query execution|
|APIs and other access methods||RESTful HTTP API||ADO.NET|
native C library
streaming API for large objects
|Supported programming languages||C#|
|Server-side scripts Stored procedures||no||no||user defined functions|
|Partitioning methods Methods for storing different data on different nodes||yes||none||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||Source-replica replication|
|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||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||yes||ACID||ACID MVCC|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no|
|User concepts Access control||granular access controls, API key management, content filters||fine grained access rights according to SQL-standard exploiting MySQL or PostgreSQL frontend capabilities||fine grained access rights according to SQL-standard|
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