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DBMS > AlaSQL vs. Memcached vs. Postgres-XL vs. Snowflake vs. SQLite

System Properties Comparison AlaSQL vs. Memcached vs. Postgres-XL vs. Snowflake vs. SQLite

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonMemcached  Xexclude from comparisonPostgres-XL  Xexclude from comparisonSnowflake  Xexclude from comparisonSQLite  Xexclude from comparison
DescriptionJavaScript DBMS libraryIn-memory key-value store, originally intended for cachingBased on PostgreSQL enhanced with MPP and write-scale-out cluster featuresCloud-based data warehousing service for structured and semi-structured dataWidely used embeddable, in-process RDBMS
Primary database modelDocument store
Relational DBMS
Key-value storeRelational DBMSRelational DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score18.08
Rank#32  Overall
#4  Key-value stores
Score0.53
Rank#254  Overall
#117  Relational DBMS
Score130.36
Rank#8  Overall
#5  Relational DBMS
Score111.41
Rank#10  Overall
#7  Relational DBMS
Websitealasql.orgwww.memcached.orgwww.postgres-xl.orgwww.snowflake.comwww.sqlite.org
Technical documentationgithub.com/­AlaSQL/­alasqlgithub.com/­memcached/­memcached/­wikiwww.postgres-xl.org/­documentationdocs.snowflake.net/­manuals/­index.htmlwww.sqlite.org/­docs.html
DeveloperAndrey Gershun & Mathias R. WulffDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSnowflake Computing Inc.Dwayne Richard Hipp
Initial release201420032014 infosince 2012, originally named StormDB20142000
Current release1.6.27, May 202410 R1, October 20183.46.0  (23 May 2024), May 2024
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoBSD licenseOpen Source infoMozilla public licensecommercialOpen Source infoPublic Domain
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptCCC
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)FreeBSD
Linux
OS X
Unix
Windows
Linux
macOS
hostedserver-less
Data schemeschema-freeschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)yes infodynamic column types
Typing infopredefined data types such as float or datenonoyesyesyes infonot rigid because of 'dynamic typing' concept.
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 infoXML type, but no XML query functionalityyesno
Secondary indexesnonoyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyes infodistributed, parallel query executionyesyes infoSQL-92 is not fully supported
APIs and other access methodsJavaScript APIProprietary protocolADO.NET
JDBC
native C library
ODBC
streaming API for large objects
CLI Client
JDBC
ODBC
ADO.NET infoinofficial driver
JDBC infoinofficial driver
ODBC infoinofficial driver
Supported programming languagesJavaScript.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C
C++
Delphi
Erlang
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
JavaScript (Node.js)
Python
Actionscript
Ada
Basic
C
C#
C++
D
Delphi
Forth
Fortran
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
R
Ruby
Scala
Scheme
Smalltalk
Tcl
Server-side scripts infoStored proceduresnonouser defined functionsuser defined functionsno
Triggersyesnoyesno infosimilar concept for controling cloud resourcesyes
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioningyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallityyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoACID infoMVCCACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes infovia file-system locks
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStoragenoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonoyes
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authenticationno

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