DBMS > Apache Druid vs. Sqrrl
System Properties Comparison Apache Druid vs. Sqrrl
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|Editorial information provided by DB-Engines|
|Name||Apache Druid Xexclude from comparison||Sqrrl Xexclude from comparison|
|Sqrrl has been acquired by Amazon and became a part of Amazon Web Services. It has been removed from the DB-Engines ranking.|
|Description||Open-source analytics data store designed for sub-second OLAP queries on high dimensionality and high cardinality data||Adaptable, secure NoSQL built on Apache Accumulo|
|Primary database model||Relational DBMS|
Time Series DBMS
Wide column store
|Developer||Apache Software Foundation and contributors||Amazon originally Sqrrl Data, Inc.|
|Current release||26.0.0, May 2023|
|License Commercial or Open Source||Open Source Apache license v2||commercial|
|Cloud-based only Only available as a cloud service||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux|
|Data scheme||yes schema-less columns are supported||schema-free|
|Typing predefined data types such as float or date||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|
|SQL Support of SQL||SQL for querying||no|
|APIs and other access methods||JDBC|
RESTful HTTP/JSON API
RESTful HTTP API
|Supported programming languages||Clojure|
C using GLib
|Server-side scripts Stored procedures||no||no|
|Partitioning methods Methods for storing different data on different nodes||Sharding manual/auto, time-based||Sharding making use of Hadoop|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, via HDFS, S3 or other storage engines||selectable replication factor making use of Hadoop|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency Document store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.|
|Foreign keys Referential integrity||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||Atomic updates per row, document, or graph entity|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no|
|User concepts Access control||RBAC using LDAP or Druid internals for users and groups for read/write by datasource and system||Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)|
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|Recent citations in the news|
Imply Announces Automatic Schema Discovery for Apache Druid ...
Apache Druid Charms in Upper Echelons of OLAP Database ...
Imply Announces Major Open Source Contribution for Apache Druid ...
Apache Druid 25.0 Delivers Multi-Stage Query Engine and ...
Apache Druid’s Role in Modern Data Analytics
provided by Google News
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