DBMS > Elasticsearch vs. Hypertable vs. IBM Db2 warehouse
System Properties Comparison Elasticsearch vs. Hypertable vs. IBM Db2 warehouse
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|Editorial information provided by DB-Engines|
|Name||Elasticsearch Xexclude from comparison||Hypertable Xexclude from comparison||IBM Db2 warehouse formerly named IBM dashDB Xexclude from comparison|
|Hypertable has stopped its further development with March 2016 and is 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||An open source BigTable implementation based on distributed file systems such as Hadoop||Cloud-based data warehousing service|
|Primary database model||Search engine||Wide column store||Relational DBMS|
|Secondary database models||Document store|
|Current release||8.6, January 2023||0.9.8.11, March 2016|
|License Commercial or Open Source||Open Source Elastic License||Open Source GNU version 3. Commercial license available||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||Linux|
Windows an inofficial Windows port is available
|Data scheme||schema-free Flexible type definitions. Once a type is defined, it is persistent||schema-free||yes|
|Typing predefined data types such as float or date||yes||no||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 Import/export of XML data possible|
|Secondary indexes||yes All search fields are automatically indexed||restricted only exact value or prefix value scans||yes|
|SQL Support of SQL||SQL-like query language||no||yes|
|APIs and other access methods||Java API|
RESTful HTTP/JSON API
|.NET Client API|
|Supported programming languages||.Net|
Community Contributed Clients
|Server-side scripts Stored procedures||yes||no||PL/SQL, SQL PL|
|Triggers||yes by using the 'percolation' feature||no||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding||Sharding||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes||selectable replication factor on file system level||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||ES-Hadoop Connector||yes||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||Immediate Consistency|
|Foreign keys Referential integrity||no||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||no||ACID|
|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||yes|
|User concepts Access control||no||fine grained access rights according to SQL-standard|
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|Elasticsearch||Hypertable||IBM Db2 warehouse formerly named IBM dashDB|
|DB-Engines blog posts|
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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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