DBMS > Sqrrl vs. XTDB
System Properties Comparison Sqrrl vs. XTDB
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|Editorial information provided by DB-Engines
|Sqrrl Xexclude from comparison
|XTDB formerly named Crux 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.
|Adaptable, secure NoSQL built on Apache Accumulo
|A general purpose database with bitemporal SQL and Datalog and graph queries
|Primary database model
Wide column store
|Amazon originally Sqrrl Data, Inc.
|1.19, September 2021
|License Commercial or Open Source
|Open Source MIT License
|Cloud-based only Only available as a cloud service
|DBaaS offerings (sponsored links) Database as a Service
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|Server operating systems
|All OS with a Java 8 (and higher) VM
|Typing predefined data types such as float or date
|yes, extensible-data-notation format
|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.
|SQL Support of SQL
|limited SQL, making use of Apache Calcite
|APIs and other access methods
RESTful HTTP API
|Supported programming languages
C using GLib
|Server-side scripts Stored procedures
|Partitioning methods Methods for storing different data on different nodes
|Sharding making use of Hadoop
|Replication methods Methods for redundantly storing data on multiple nodes
|selectable replication factor making use of Hadoop
|yes, each node contains all data
|MapReduce Offers an API for user-defined Map/Reduce methods
|Consistency concepts Methods to ensure consistency in a distributed system
|Immediate Consistency Document store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
|Foreign keys Referential integrity
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data
|Atomic updates per row, document, or graph entity
|Concurrency Support for concurrent manipulation of data
|Durability Support for making data persistent
|yes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
|User concepts Access control
|Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)
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|XTDB formerly named Crux
|Recent citations in the news
Amazon acquires cybersecurity startup Sqrrl
Millennials possess the advantage of time for wealth creation, says Yashoraj Tyagi of Sqrrl
Amazon's cloud business acquires Sqrrl, a security start-up with NSA roots
AWS beefs up threat detection with Sqrrl acquisition
Will Amazon Buy Cybersecurity Firm Sqrrl?
provided by Google News
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