DBMS > Apache Druid vs. IBM Db2 Event Store vs. MySQL
System Properties Comparison Apache Druid vs. IBM Db2 Event Store vs. MySQL
Please select another system to include it in the comparison.
|Editorial information provided by DB-Engines|
|Name||Apache Druid Xexclude from comparison||IBM Db2 Event Store Xexclude from comparison||MySQL Xexclude from comparison|
|Description||Open-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality data||Distributed Event Store optimized for Internet of Things use cases||Widely used open source RDBMS|
|Primary database model||Relational DBMS|
Time Series DBMS
Time Series DBMS
|Relational DBMS Key/Value like access via memcached API|
|Secondary database models||Document store|
|Developer||Apache Software Foundation and contributors||IBM||Oracle since 2010, originally MySQL AB, then Sun|
|Current release||0.22.1, December 2021||2.0||8.0.29, April 2022|
|License Commercial or Open Source||Open Source Apache license v2||commercial free developer edition available||Open Source GPL version 2. Commercial licenses with extended functionallity are available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|ScaleGrid for MySQL: Fully managed MySQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.|
|Implementation language||Java||C and C++||C and C++|
|Server operating systems||Linux|
|Linux Linux, macOS, Windows for the developer addition||FreeBSD|
|Data scheme||yes schema-less columns are supported||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|
|SQL Support of SQL||SQL for querying||yes through the embedded Spark runtime||yes with proprietary extensions|
|APIs and other access methods||JDBC|
RESTful HTTP/JSON API
RESTful HTTP API
Proprietary native API
|Supported programming languages||Clojure|
|Server-side scripts Stored procedures||no||yes||yes proprietary syntax|
|Partitioning methods Methods for storing different data on different nodes||Sharding manual/auto, time-based||Sharding||horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, via HDFS, S3 or other storage engines||Active-active shard replication||Multi-source 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||Eventual Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||no||yes not for MyISAM storage engine|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||no||ACID not for MyISAM storage engine|
|Concurrency Support for concurrent manipulation of data||yes||No - written data is immutable||yes table locks or row locks depending on storage engine|
|Durability Support for making data persistent||yes||Yes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storage||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes||yes|
|User concepts Access control||RBAC using LDAP or Druid internals for users and groups for read/write by datasource and system||fine grained access rights according to SQL-standard||Users with fine-grained authorization concept no user groups or roles|
More information provided by the system vendor
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||Percona: Database problems? Not on your watch.|
Databases run better with Percona.
Arctype: A fast, beautiful database GUI for developers and teams. Download it for free today.
DbVisualizer is equipping database professionals with the tools they need to build, manage and maintain state-of-the-art database technologies. It has sky-high user satisfaction and is the preferred tool for database professionals around the world. Customers include Tesla, Apple, Facebook, Deutsche Bank, NASA, and 25,000 others in 145 countries.
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.
CData: Connect to Big Data & NoSQL through standard Drivers.
Navicat for MySQL is the ideal solution for MySQL/MariaDB administration and development.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Apache Druid||IBM Db2 Event Store||MySQL|
|DB-Engines blog posts|