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DBMS > Amazon CloudSearch vs. Datomic vs. Greenplum vs. Memgraph vs. PieCloudDB

System Properties Comparison Amazon CloudSearch vs. Datomic vs. Greenplum vs. Memgraph vs. PieCloudDB

Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonDatomic  Xexclude from comparisonGreenplum  Xexclude from comparisonMemgraph  Xexclude from comparisonPieCloudDB  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityAnalytic Database platform built on PostgreSQL. Full name is Pivotal Greenplum Database infoA logical database in Greenplum is an array of individual PostgreSQL databases working together to present a single database image.An open source graph database built for real-time streaming and compatible with Neo4jA cloud-native analytic database platform with new technologoy for elastic MPP
Primary database modelSearch engineRelational DBMSRelational DBMSGraph DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.74
Rank#133  Overall
#12  Search engines
Score1.47
Rank#145  Overall
#66  Relational DBMS
Score6.85
Rank#51  Overall
#30  Relational DBMS
Score2.72
Rank#97  Overall
#8  Graph DBMS
Score0.29
Rank#282  Overall
#129  Relational DBMS
Websiteaws.amazon.com/­cloudsearchwww.datomic.comgreenplum.orgmemgraph.comwww.openpie.com
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.datomic.comdocs.greenplum.orgmemgraph.com/­docs
Social network pagesGitHubLinkedInTwitterDiscordFacebook
DeveloperAmazonCognitectPivotal Software Inc.Memgraph LtdOpenPie
Initial release2012201220052017
Current release1.0.7180, July 20247.0.0, September 20232.1, January 2023
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen Source infoApache 2.0Open Source infoBSL 1.1; commercial license for enterprise edition availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesnononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureC and C++
Server operating systemshostedAll OS with a Java VMLinuxLinuxhosted
Data schemeyesyesyesschema-free and schema-optionalyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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 infosince Version 4.2no
Secondary indexesyes infoall search fields are automatically indexedyesyesyes
SQL infoSupport of SQLnonoyesnoyes
APIs and other access methodsHTTP APIRESTful HTTP APIJDBC
ODBC
Bolt protocol
Cypher query language
CLI Client
JDBC
ODBC
Supported programming languagesClojure
Java
C
Java
Perl
Python
R
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
Java
PL/SQL
Python
R
Server-side scripts infoStored proceduresnoyes infoTransaction Functionsyesuser defined functions
TriggersnoBy using transaction functionsyesno
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requirednone infoBut extensive use of caching in the application peersShardingSharding infodynamic graph partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSnone infoBut extensive use of caching in the application peersSource-replica replicationMulti-source replication using RAFTyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID infowith snapshot isolationACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentnoyes
User concepts infoAccess controlauthentication via encrypted signaturesnofine grained access rights according to SQL-standardUsers, roles and permissionsUser Roles and pluggable authentication with full SQL Standard
More information provided by the system vendor
Amazon CloudSearchDatomicGreenplumMemgraphPieCloudDB
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
PieCloudDB, OpenPie's flagship product, is a cutting-edge cloud-native data warehouse....
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Extreme Elastic: PieCloudDB utilizes a cutting-edge eMPP cloud-native architecture...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
PieCloudDB is ideal for Data mining applications that require extreme scalability...
» more
Key customersSail-Cloud China Shipbuilding Group Haizhou System Soochow Securities ​etc.,
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
PieCloudDB Community Edition: Community License, Free Download, Self-Hosted Deployment;...
» more

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More resources
Amazon CloudSearchDatomicGreenplumMemgraphPieCloudDB
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