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DBMS > Amazon CloudSearch vs. EDB Postgres vs. Memgraph vs. Nebula Graph

System Properties Comparison Amazon CloudSearch vs. EDB Postgres vs. Memgraph vs. Nebula Graph

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonEDB Postgres  Xexclude from comparisonMemgraph  Xexclude from comparisonNebula Graph  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudThe EDB Postgres Platform is an enterprise-class data management platform based on the open source database PostgreSQL with flexible deployment options, complemented by tool kits for management, integration, and migration.A hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleA distributed, linear scalable, high perfomant Graph DBMS
Primary database modelSearch engineRelational DBMSGraph DBMSGraph DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.61
Rank#108  Overall
#9  Search engines
Score2.39
Rank#113  Overall
#55  Relational DBMS
Score0.13
Rank#292  Overall
#26  Graph DBMS
Score0.43
Rank#234  Overall
#19  Graph DBMS
Websiteaws.amazon.com/­cloudsearchwww.enterprisedb.commemgraph.comgithub.com/­vesoft-inc/­nebula
nebula-graph.io
Technical documentationdocs.aws.amazon.com/­cloudsearchwww.enterprisedb.com/­edb-docsdocs.memgraph.comdocs.nebula-graph.io
DeveloperAmazonEnterpriseDBMemgraph LtdVesoft Inc.
Initial release2012200520172019
Current releaseV10, November 2017
License infoCommercial or Open Sourcecommercialcommercial infoBSD for PostgreSQL-componentscommercial infoFree license availableOpen Source infoApache Version 2.0 + Common Clause 1.0
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC and C++C++
Server operating systemshostedLinux
Windows
LinuxLinux
Data schemeyesyesschema-free and schema-optionalStrong typed schema
Typing infopredefined data types such as float or dateyesyesyesyes
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.yes infospecific XML-type available, but no XML query functionality.nono
Secondary indexesyes infoall search fields are automatically indexedyesyes infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.
SQL infoSupport of SQLnoyes infostandard with numerous extensionsnoSQL-like query language
APIs and other access methodsHTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Bolt protocol
Cypher query language
Browser interface
console (shell)
Proprietary native API
Query language nGQL
Supported programming languages.Net
C
C++
Delphi
Java
Perl
PHP
Python
Tcl
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C++
Go
Java
Python
Server-side scripts infoStored proceduresnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersnoyes
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredhorizontal partitioning infoby hash, list or rangeSharding infodynamic graph partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSMulti-source replicationMulti-source replication using RAFTCausal Clustering using Raft protocol
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes inforelationships in graphsyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infowith snapshot isolationACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlauthentication via encrypted signaturesfine grained access rights according to SQL-standardUsers, roles and permissionsRole-based access control
More information provided by the system vendor
Amazon CloudSearchEDB PostgresMemgraphNebula Graph
Specific characteristicsPostgreSQL with added Security, Performance, DBA, Developer, and Oracle compatibile...
» more
Nebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesComplete Postgres platform with enterprise-class Postgres, Management, Integration,...
» more
Nebula Graph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosNew applications for transactional, reporting and mixed workloads that need to integrate...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersMasterCard, Hewlett Packard Enterprise, Ericsson, AT&T, Alibaba, Korea Telecom and...
» more
Currently we have some top internet companies in China implementing Nebula Graph...
» more
Market metricsListed in Gartner Magic Quadrant 2013-2018 with over 4,000 customers.
» more
At our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsOpen Source and Commercial core based licensing.
» more
Nebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more
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