DBMS > H2 vs. Sqrrl
System Properties Comparison H2 vs. Sqrrl
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|Editorial information provided by DB-Engines
|H2 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.
|Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.
|Adaptable, secure NoSQL built on Apache Accumulo
|Primary database model
Wide column store
|Secondary database models
|Amazon originally Sqrrl Data, Inc.
|2.2.220, July 2023
|License Commercial or Open Source
|Open Source dual-licence (Mozilla public license, Eclipse public 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 VM
|Typing predefined data types such as float or date
|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
|APIs and other access methods
RESTful HTTP API
|Supported programming languages
C using GLib
|Server-side scripts Stored procedures
|Java Stored Procedures and User-Defined Functions
|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
|With clustering: 2 database servers on different computers operate on identical copies of a database
|selectable replication factor making use of Hadoop
|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
|yes, multi-version concurrency control (MVCC)
|Durability Support for making data persistent
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.
|User concepts Access control
|fine grained access rights according to SQL-standard
|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
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?
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