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DBMS > EXASOL vs. LevelDB vs. Microsoft SQL Server vs. SwayDB

System Properties Comparison EXASOL vs. LevelDB vs. Microsoft SQL Server vs. SwayDB

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonLevelDB  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonSwayDB  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesMicrosofts flagship relational DBMSAn embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage
Primary database modelRelational DBMSKey-value storeRelational DBMSKey-value store
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.70
Rank#90  Overall
#47  Relational DBMS
Score2.94
Rank#101  Overall
#17  Key-value stores
Score954.02
Rank#3  Overall
#3  Relational DBMS
Score0.03
Rank#330  Overall
#52  Key-value stores
Websitewww.exasol.comgithub.com/­google/­leveldbwww.microsoft.com/­en-us/­sql-serverswaydb.io
Technical documentationwww.exasol.com/­resourcesgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mddocs.microsoft.com/­en-US/­sql/­sql-server
DeveloperExasolGoogleMicrosoftSimer Plaha
Initial release2000201119892018
Current release1.23, February 2021SQL Server 2019, November 2019
License infoCommercial or Open SourcecommercialOpen Source infoBSDcommercial inforestricted free version is availableOpen Source infoGNU Affero GPL V3.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++C++Scala
Server operating systemsIllumos
Linux
OS X
Windows
Linux
Windows
Data schemeyesschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesnoyesno
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.nonoyesno
Secondary indexesyesnoyesno
SQL infoSupport of SQLyesnoyesno
APIs and other access methods.Net
JDBC
ODBC
WebSocket
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
Supported programming languagesJava
Lua
Python
R
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Java
Kotlin
Scala
Server-side scripts infoStored proceduresuser defined functionsnoTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javano
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnonetables can be distributed across several files (horizontal partitioning); sharding through federationnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, but depending on the SQL-Server Editionnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDAtomic execution of operations
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnofine grained access rights according to SQL-standardno

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More resources
EXASOLLevelDBMicrosoft SQL ServerSwayDB
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Recent citations in the news

Exasol wins Amazon Web Services 2021 Tech Partner of the Year Award in DACH
7 December 2021, Yahoo Finance UK

Pharmascience to use Exasol database to improve reporting - Healthcare Global
15 February 2021, Healthcare News, Magazine and Website

Exasol Joins AWS ISV Accelerate Program
15 July 2021, Business Wire

Exasol Named “Overall Data Analytics Company of the Year” in 2021 Data Breakthrough Awards Program
25 March 2021, Business Wire

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29 August 2020, Tech Times

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8 December 2021, marketscreener.com

Clumio Protect Expands to Microsoft SQL Server
23 November 2021, CRN

Clumio Announces Clumio Protect for Microsoft SQL Server on Amazon EC2, Further Strengthening Ransomware Protection for Mission Critical Applications in AWS
10 November 2021, Yahoo Finance

VMware : Enhancing Microsoft SQL Server Performance on VMware Cloud on AWS and VMware vSAN with the SQL Server Trace Flag 1800
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