DBMS > Impala vs. Kyligence Enterprise vs. MySQL
System Properties Comparison Impala vs. Kyligence Enterprise vs. MySQL
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|Editorial information provided by DB-Engines|
|Name||Impala Xexclude from comparison||Kyligence Enterprise Xexclude from comparison||MySQL Xexclude from comparison|
|Description||Analytic DBMS for Hadoop||A distributed analytics engine for big data, built on top of Apache Kylin||Widely used open source RDBMS|
|Primary database model||Relational DBMS||Relational DBMS||Relational DBMS Key/Value like access via memcached API|
|Secondary database models||Document store||Document store|
|Developer||Cloudera||Kyligence, Inc.||Oracle since 2010, originally MySQL AB, then Sun|
|Current release||4.0.0, July 2021||8.0.29, April 2022|
|License Commercial or Open Source||Open Source Apache Version 2||commercial||Open Source GPL version 2. Commercial licenses with extended functionallity are available|
|Cloud-based only Only available as a cloud service||no||no||no|
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|Implementation language||C++||Java||C and C++|
|Server operating systems||Linux||Linux||FreeBSD|
|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|
|SQL Support of SQL||SQL-like DML and DDL statements||ANSI SQL for queries (using Apache Calcite)||yes with proprietary extensions|
|APIs and other access methods||JDBC|
RESTful HTTP API
Proprietary native API
|Supported programming languages||All languages supporting JDBC/ODBC||Ada|
|Server-side scripts Stored procedures||yes user defined functions and integration of map-reduce||yes proprietary syntax|
|Partitioning methods Methods for storing different data on different nodes||Sharding||horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric|
|Replication methods Methods for redundantly storing data on multiple nodes||selectable replication factor||Multi-source replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes query execution via MapReduce||yes||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes not for MyISAM storage engine|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID not for MyISAM storage engine|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes table locks or row locks depending on storage engine|
|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.||no||no||yes|
|User concepts Access control||Access rights for users, groups and roles based on Apache Sentry and Kerberos||Users with fine-grained authorization concept no user groups or roles|
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|Related products and services|
|3rd parties||SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.|
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