DBMS > AlaSQL vs. HyperSQL vs. Percona Server for MongoDB
System Properties Comparison AlaSQL vs. HyperSQL vs. Percona Server for MongoDB
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|Editorial information provided by DB-Engines|
|Name||AlaSQL Xexclude from comparison||HyperSQL also known as HSQLDB Xexclude from comparison||Percona Server for MongoDB Xexclude from comparison|
|Primary database model||Document store|
|Relational DBMS||Document store|
|Developer||Andrey Gershun & Mathias R. Wulff||Percona|
|Current release||2.7.2, June 2023||3.4.10-2.10, November 2017|
|License Commercial or Open Source||Open Source MIT-License||Open Source based on BSD license||Open Source GPL Version 2|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Typing predefined data types such as float or date||no||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||no||no|
|SQL Support of SQL||Close to SQL99, but no user access control, stored procedures and host language bindings.||yes||no|
|proprietary protocol using JSON|
|Partitioning methods Methods for storing different data on different nodes||none||none||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||none||none||Source-replica replication|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||none||Immediate Consistency||Eventual Consistency|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||yes only for local storage and DOM-storage||ACID||no|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes by using IndexedDB, SQL.JS or proprietary FileStorage||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes||yes via In-Memory Engine|
|User concepts Access control||no||fine grained access rights according to SQL-standard||Access rights for users and roles|
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|AlaSQL||HyperSQL also known as HSQLDB||Percona Server for MongoDB|
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