DBMS > InfinityDB vs. Quasardb vs. Sqrrl
System Properties Comparison InfinityDB vs. Quasardb vs. Sqrrl
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|Editorial information provided by DB-Engines|
|Name||InfinityDB Xexclude from comparison||Quasardb 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||A Java embedded Key-Value Store which extends the Java Map interface||Distributed, high-performance timeseries database||Adaptable, secure NoSQL built on Apache Accumulo|
|Primary database model||Key-value store||Time Series DBMS||Document store|
Wide column store
|Developer||Boiler Bay Inc.||quasardb||Amazon originally Sqrrl Data, Inc.|
|Current release||4.0||3.13.3, April 2022|
|License Commercial or Open Source||commercial||commercial Free community edition, Non-profit organizations and non-commercial usage are eligible for free licenses||commercial|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||All OS with a Java VM||BSD|
|Data scheme||yes nested virtual Java Maps, multi-value, logical â€˜tuple spaceâ€™ runtime Schema upgrade||schema-free||schema-free|
|Typing predefined data types such as float or date||yes all Java primitives, Date, CLOB, BLOB, huge sparse arrays||yes integer and binary||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|
|Secondary indexes||no manual creation possible, using inversions based on multi-value capability||yes with tags||yes|
|SQL Support of SQL||no||SQL-like query language||no|
|APIs and other access methods||Access via java.util.concurrent.ConcurrentNavigableMap Interface|
Proprietary API to InfinityDB ItemSpace (boilerbay.com/docs/ItemSpaceDataStructures.htm)
|HTTP API||Accumulo Shell|
RESTful HTTP API
|Supported programming languages||Java||.Net|
C using GLib
|Server-side scripts Stored procedures||no||no||no|
|Partitioning methods Methods for storing different data on different nodes||none||Sharding consistent hashing||Sharding making use of Hadoop|
|Replication methods Methods for redundantly storing data on multiple nodes||none||Source-replica replication with selectable replication factor||selectable replication factor making use of Hadoop|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||with Hadoop integration||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency READ-COMMITTED or SERIALIZED||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 manual creation possible, using inversions based on multi-value capability||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID Optimistic locking for transactions; no isolation for bulk loads||ACID||Atomic updates per row, document, or graph entity|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes by using LevelDB||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||no||yes Transient mode|
|User concepts Access control||no||Cryptographically strong user authentication and audit trail||Cell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)|
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