DBMS > LokiJS vs. Microsoft SQL Server vs. Sadas Engine
System Properties Comparison LokiJS vs. Microsoft SQL Server vs. Sadas Engine
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|Editorial information provided by DB-Engines|
|Name||LokiJS Xexclude from comparison||Microsoft SQL Server Xexclude from comparison||Sadas Engine Xexclude from comparison|
|Primary database model||Document store||Relational DBMS||Relational DBMS|
|Secondary database models||Document store|
|Current release||SQL Server 2019, November 2019||8.0|
|License Commercial or Open Source||Open Source||commercial restricted free version is available||commercial free trial version available|
|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||yes||no|
|Secondary indexes||yes via views||yes||yes|
|SQL Support of SQL||no||yes||yes|
Tabular Data Stream (TDS)
|Partitioning methods Methods for storing different data on different nodes||none||tables can be distributed across several files (horizontal partitioning); sharding through federation||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||none||yes, but depending on the SQL-Server Edition||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||none||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||no||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no atomic operations within a single collection possible||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes Serialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes||yes managed by 'Learn by Usage'|
|User concepts Access control||no||fine grained access rights according to SQL-standard||Access rights for users, groups and roles according to SQL-standard|
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|LokiJS||Microsoft SQL Server||Sadas Engine|
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