DBMS > Elasticsearch vs. Oracle Rdb vs. TempoIQ
System Properties Comparison Elasticsearch vs. Oracle Rdb vs. TempoIQ
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|Editorial information provided by DB-Engines|
|Name||Elasticsearch Xexclude from comparison||Oracle Rdb Xexclude from comparison||TempoIQ formerly TempoDB Xexclude from comparison|
|TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.|
|Description||A distributed, RESTful modern search and analytics engine based on Apache Lucene Elasticsearch lets you perform and combine many types of searches such as structured, unstructured, geo, and metric||Scalable analytics DBMS for sensor data, provided as a service (SaaS)|
|Primary database model||Search engine||Relational DBMS||Time Series DBMS|
|Secondary database models||Document store|
|Developer||Elastic||Oracle, originally developed by Digital Equipment Corporation (DEC)||TempoIQ|
|Current release||8.6, January 2023||188.8.131.52, 2021|
|License Commercial or Open Source||Open Source Elastic License||commercial||commercial|
|Cloud-based only Only available as a cloud service||no||no||yes|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||All OS with a Java VM||HP Open VMS|
|Data scheme||schema-free Flexible type definitions. Once a type is defined, it is persistent||Flexible Schema (defined schema, partial schema, schema free)||schema-free|
|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||no|
|Secondary indexes||yes All search fields are automatically indexed||yes|
|SQL Support of SQL||SQL-like query language||yes||no|
|APIs and other access methods||Java API|
RESTful HTTP/JSON API
|Supported programming languages||.Net|
Community Contributed Clients
|Server-side scripts Stored procedures||yes||no|
|Triggers||yes by using the 'percolation' feature||yes Realtime Alerts|
|Partitioning methods Methods for storing different data on different nodes||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||ES-Hadoop Connector||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency Synchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||yes, on a single node||no|
|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.||Memcached and Redis integration||no||no|
|User concepts Access control||simple authentication-based access control|
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|Elasticsearch||Oracle Rdb||TempoIQ formerly TempoDB|
|DB-Engines blog posts|
PostgreSQL is the DBMS of the Year 2017 Elasticsearch moved into the top 10 most popular database management systems MySQL, PostgreSQL and Redis are the winners of the March ranking
Elasticsearch moved into the top 10 most popular database management systems MySQL, PostgreSQL and Redis are the winners of the March ranking
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