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DBMS > IRONdb vs. LeanXcale vs. Microsoft SQL Server

System Properties Comparison IRONdb vs. LeanXcale vs. Microsoft SQL Server

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Editorial information provided by DB-Engines
NameIRONdb  Xexclude from comparisonLeanXcale  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityA highly scalable full ACID SQL database with fast NoSQL data ingestion and GIS capabilitiesMicrosofts flagship relational DBMS
Primary database modelTime Series DBMSKey-value store
Relational DBMS
Relational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#363  Overall
#34  Time Series DBMS
Score0.17
Rank#297  Overall
#43  Key-value stores
#138  Relational DBMS
Score933.83
Rank#3  Overall
#3  Relational DBMS
Websitewww.circonus.com/­solutions/­time-series-databasewww.leanxcale.comwww.microsoft.com/­en-us/­sql-server
Technical documentationdocs.circonus.com/­irondbdocs.microsoft.com/­en-US/­sql/­sql-server
DeveloperCirconus LLC.LeanXcaleMicrosoft
Initial release201720151989
Current releaseV0.10.20, January 2018SQL Server 2019, November 2019
License infoCommercial or Open Sourcecommercialcommercialcommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C++
Server operating systemsLinuxLinux
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infotext, numeric, histogramsyes
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.noyes
Secondary indexesnoyes
SQL infoSupport of SQLSQL-like query language (Circonus Analytics Query Language: CAQL)yes infothrough Apache Derbyyes
APIs and other access methodsHTTP APIJDBC
Kafka Connector
ODBC
proprietary key/value interface
Spark Connector
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
C
Java
Scala
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresyes, in LuaTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesAutomatic, metric affinity per nodetables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesconfigurable replication factor, datacenter awareyes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate consistency per node, eventual consistency across nodesImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standard
More information provided by the system vendor
IRONdbLeanXcaleMicrosoft SQL Server
Specific characteristicsFull ACID and full SQL operational database with analytical queries over operational...
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Competitive advantagesLinear scalability upto 100s of nodes (tested with 100 nodes and TPC-C).
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Typical application scenariosHybrid Transactional-Analytical Processing (HTAP) requiring an operational database...
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Key customersbanking/finance/fintech, telco, insurance, traveltech, M2M/IoT, retail
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Market metrics15 beta testers
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Licensing and pricing modelsannual fee covering license and support based on number of physical cores
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IRONdbLeanXcaleMicrosoft SQL Server
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