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DBMS > Memcached vs. PostGIS vs. Snowflake vs. SpatiaLite vs. SQream DB

System Properties Comparison Memcached vs. PostGIS vs. Snowflake vs. SpatiaLite vs. SQream DB

Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonPostGIS  Xexclude from comparisonSnowflake  Xexclude from comparisonSpatiaLite  Xexclude from comparisonSQream DB  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingSpatial extension of PostgreSQLCloud-based data warehousing service for structured and semi-structured dataSpatial extension of SQLitea GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelKey-value storeSpatial DBMSRelational DBMSSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score16.84
Rank#32  Overall
#4  Key-value stores
Score20.16
Rank#29  Overall
#1  Spatial DBMS
Score133.72
Rank#7  Overall
#5  Relational DBMS
Score1.56
Rank#142  Overall
#3  Spatial DBMS
Score0.62
Rank#234  Overall
#109  Relational DBMS
Websitewww.memcached.orgpostgis.netwww.snowflake.comwww.gaia-gis.it/­fossil/­libspatialite/­indexsqream.com
Technical documentationgithub.com/­memcached/­memcached/­wikipostgis.net/­documentationdocs.snowflake.net/­manuals/­index.htmlwww.gaia-gis.it/­gaia-sins/­spatialite_topics.htmldocs.sqream.com
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSnowflake Computing Inc.Alessandro FurieriSQream Technologies
Initial release20032005201420082017
Current release1.6.29, June 20243.4.2, February 20245.0.0, August 20202022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoGPL v2.0commercialOpen Source infoMPL 1.1, GPL v2.0 or LGPL v2.1commercial
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCCC++C++, CUDA, Haskell, Java, Scala
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
hostedserver-lessLinux
Data schemeschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)yesyes
Typing infopredefined data types such as float or datenoyesyesyesyes, ANSI Standard SQL Types
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.yesyesno
Secondary indexesnoyesyesno
SQL infoSupport of SQLnoyesyesyesyes
APIs and other access methodsProprietary protocolCLI Client
JDBC
ODBC
.Net
JDBC
ODBC
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
JavaScript (Node.js)
Python
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnouser defined functionsuser defined functionsnouser defined functions in Python
Triggersnoyesno infosimilar concept for controling cloud resourcesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyes infobased on PostgreSQLyesnonehorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyes infobased on PostgreSQLyesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentnoyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolyes infobased on PostgreSQLUsers with fine-grained authorization concept, user roles and pluggable authenticationno

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MemcachedPostGISSnowflakeSpatiaLiteSQream DB
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