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DBMS > AlaSQL vs. BigObject vs. Microsoft SQL Server vs. Postgres-XL vs. Realm

System Properties Comparison AlaSQL vs. BigObject vs. Microsoft SQL Server vs. Postgres-XL vs. Realm

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonBigObject  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonPostgres-XL  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionJavaScript DBMS libraryAnalytic DBMS for real-time computations and queriesMicrosofts flagship relational DBMSBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelDocument store
Relational DBMS
Relational DBMS infoa hierachical model (tree) can be imposedRelational DBMSRelational DBMSDocument store
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score0.13
Rank#333  Overall
#147  Relational DBMS
Score824.29
Rank#3  Overall
#3  Relational DBMS
Score0.49
Rank#256  Overall
#117  Relational DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Websitealasql.orgbigobject.iowww.microsoft.com/­en-us/­sql-serverwww.postgres-xl.orgrealm.io
Technical documentationgithub.com/­AlaSQL/­alasqldocs.bigobject.iolearn.microsoft.com/­en-US/­sql/­sql-serverwww.postgres-xl.org/­documentationrealm.io/­docs
DeveloperAndrey Gershun & Mathias R. WulffBigObject, Inc.MicrosoftRealm, acquired by MongoDB in May 2019
Initial release2014201519892014 infosince 2012, originally named StormDB2014
Current releaseSQL Server 2022, November 202210 R1, October 2018
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infofree community edition availablecommercial inforestricted free version is availableOpen Source infoMozilla public licenseOpen Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++C
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux infodistributed as a docker-image
OS X infodistributed as a docker-image (boot2docker)
Windows infodistributed as a docker-image (boot2docker)
Linux
Windows
Linux
macOS
Android
Backend: server-less
iOS
Windows
Data schemeschema-freeyesyesyesyes
Typing infopredefined data types such as float or datenoyesyesyesyes
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.nonoyesyes infoXML type, but no XML query functionalityno
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like DML and DDL statementsyesyes infodistributed, parallel query executionno
APIs and other access methodsJavaScript APIfluentd
ODBC
RESTful HTTP API
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesJavaScriptC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnoLuaTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javauser defined functionsno inforuns within the applications so server-side scripts are unnecessary
Triggersyesnoyesyesyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnonenonetables can be distributed across several files (horizontal partitioning); sharding through federationhorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes, but depending on the SQL-Server Editionnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnonenoneImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes infoautomatically between fact table and dimension tablesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoACIDACID infoMVCCACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/write lock on objects (tables, trees)yesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesnoyes infoIn-Memory realm
User concepts infoAccess controlnonofine grained access rights according to SQL-standardfine grained access rights according to SQL-standardyes

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More resources
AlaSQLBigObjectMicrosoft SQL ServerPostgres-XLRealm
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