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DBMS > LMDB vs. Microsoft SQL Server vs. mSQL vs. ObjectBox vs. YDB

System Properties Comparison LMDB vs. Microsoft SQL Server vs. mSQL vs. ObjectBox vs. YDB

Editorial information provided by DB-Engines
NameLMDB  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonmSQL infoMini SQL  Xexclude from comparisonObjectBox  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionA high performant, light-weight, embedded key-value database libraryMicrosofts flagship relational DBMSmSQL (Mini SQL) is a simple and lightweight RDBMSExtremely fast embedded database for small devices, IoT and MobileA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelKey-value storeRelational DBMSRelational DBMSObject oriented DBMSDocument store
Relational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.09
Rank#121  Overall
#20  Key-value stores
Score821.56
Rank#3  Overall
#3  Relational DBMS
Score1.27
Rank#169  Overall
#76  Relational DBMS
Score1.29
Rank#166  Overall
#5  Object oriented DBMS
Score0.33
Rank#287  Overall
#43  Document stores
#132  Relational DBMS
Websitewww.symas.com/­symas-embedded-database-lmdbwww.microsoft.com/­en-us/­sql-serverhughestech.com.au/­products/­msqlobjectbox.iogithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationwww.lmdb.tech/­doclearn.microsoft.com/­en-US/­sql/­sql-serverdocs.objectbox.ioydb.tech/­en/­docs
DeveloperSymasMicrosoftHughes TechnologiesObjectBox LimitedYandex
Initial release20111989199420172019
Current release0.9.32, January 2024SQL Server 2022, November 20224.4, October 2021
License infoCommercial or Open SourceOpen Sourcecommercial inforestricted free version is availablecommercial infofree licenses can be providedOpen Source infoApache License 2.0Open Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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SQLServer Flex @ STACKIT offers a managed version of SQL Server with adjustable CPU, RAM, storage amount and speed, in enterprise grade to perfectly match all application requirements. All services are 100% GDPR-compliant.
Implementation languageCC++CC and C++
Server operating systemsLinux
Unix
Windows
Linux
Windows
AIX
HP-UX
Linux
OS X
Solaris SPARC/x86
Windows
Android
iOS
Linux
macOS
Windows
Linux
Data schemeschema-freeyesyesyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.noyesnonono
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLnoyesA subset of ANSI SQL is implemented infono subqueries, aggregate functions, views, foreign keys, triggersnoSQL-like query language (YQL)
APIs and other access methodsADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
JDBC
ODBC
Proprietary native APIRESTful HTTP API (DynamoDB compatible)
Supported programming languages.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
C
C++
Delphi
Java
Perl
PHP
Tcl
C
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnoTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javanonono
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesnonetables can be distributed across several files (horizontal partitioning); sharding through federationnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, but depending on the SQL-Server Editionnoneonline/offline synchronization between client and serverActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesnoyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnonono
User concepts infoAccess controlnofine grained access rights according to SQL-standardnoyesAccess rights defined for Yandex Cloud users
More information provided by the system vendor
LMDBMicrosoft SQL ServermSQL infoMini SQLObjectBoxYDB
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More resources
LMDBMicrosoft SQL ServermSQL infoMini SQLObjectBoxYDB
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