DBMS > BigObject vs. LMDB vs. Microsoft SQL Server
System Properties Comparison BigObject vs. LMDB vs. Microsoft SQL Server
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|Editorial information provided by DB-Engines|
|Name||BigObject Xexclude from comparison||LMDB Xexclude from comparison||Microsoft SQL Server Xexclude from comparison|
|Description||Analytic DBMS for real-time computations and queries||A high performant, light-weight, embedded key-value database library||Microsofts flagship relational DBMS|
|Primary database model||Relational DBMS a hierachical model (tree) can be imposed||Key-value store||Relational DBMS|
|Secondary database models||Document store|
|Current release||0.9.29, March 2021||SQL Server 2019, November 2019|
|License Commercial or Open Source||commercial free community edition available||Open Source||commercial restricted free version is 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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|Server operating systems||Linux distributed as a docker-image|
OS X distributed as a docker-image (boot2docker)
Windows distributed as a docker-image (boot2docker)
|Typing predefined data types such as float or date||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||yes|
|SQL Support of SQL||SQL-like DML and DDL statements||no||yes|
|APIs and other access methods||fluentd|
RESTful HTTP API
Tabular Data Stream (TDS)
|Supported programming languages||C||C#|
|Server-side scripts Stored procedures||Lua||no||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java|
|Partitioning methods Methods for storing different data on different nodes||none||none||tables can be distributed across several files (horizontal partitioning); sharding through federation|
|Replication methods Methods for redundantly storing data on multiple nodes||none||none||yes, but depending on the SQL-Server Edition|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||none||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes automatically between fact table and dimension tables||no||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes Read/write lock on objects (tables, trees)||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||yes||yes|
|User concepts Access control||no||no||fine grained access rights according to SQL-standard|
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|BigObject||LMDB||Microsoft SQL Server|
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