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