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DBMS > Apache Drill vs. Couchbase vs. Memgraph vs. NebulaGraph vs. PostgreSQL

System Properties Comparison Apache Drill vs. Couchbase vs. Memgraph vs. NebulaGraph vs. PostgreSQL

Editorial information provided by DB-Engines
NameApache Drill  Xexclude from comparisonCouchbase infoOriginally called Membase  Xexclude from comparisonMemgraph  Xexclude from comparisonNebulaGraph  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionSchema-free SQL Query Engine for Hadoop, NoSQL and Cloud StorageA distributed document store with integrated cache, a powerful search engine, in-built operational and analytical capabilities, and an embedded mobile databaseAn open source graph database built for real-time streaming and compatible with Neo4jA distributed, linear scalable, high perfomant Graph DBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelDocument store
Relational DBMS
Document storeGraph DBMSGraph DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
Spatial DBMS infousing the Geocouch extension
Search engine
Time Series DBMS
Vector DBMS
Document store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.90
Rank#126  Overall
#23  Document stores
#60  Relational DBMS
Score16.74
Rank#33  Overall
#5  Document stores
Score2.91
Rank#94  Overall
#7  Graph DBMS
Score1.92
Rank#122  Overall
#11  Graph DBMS
Score644.36
Rank#4  Overall
#4  Relational DBMS
Websitedrill.apache.orgwww.couchbase.commemgraph.comgithub.com/­vesoft-inc/­nebula
www.nebula-graph.io
www.postgresql.org
Technical documentationdrill.apache.org/­docsdocs.couchbase.commemgraph.com/­docsdocs.nebula-graph.iowww.postgresql.org/­docs
Social network pagesLinkedInTwitterFacebookGitHubDiscord
DeveloperApache Software FoundationCouchbase, Inc.Memgraph LtdVesoft Inc.PostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release20122011201720191989 info1989: Postgres, 1996: PostgreSQL
Current release1.20.3, January 2023Server: 7.2, June 2023; Mobile: 3.1, March 2022; Couchbase Capella (DBaaS), June 202316.4, August 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoBusiness Source License (BSL 1.1); Commercial licenses also availableOpen Source infoBSL 1.1; commercial license for enterprise edition availableOpen Source infoApache Version 2.0 + Common Clause 1.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
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Implementation languageC, C++, Go and ErlangC and C++C++C
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
LinuxLinuxFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-freeschema-freeschema-free and schema-optionalStrong typed schemayes
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.nononoyes infospecific XML-type available, but no XML query functionality.
Secondary indexesnoyesyes 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.yes
SQL infoSupport of SQLSQL SELECT statement is SQL:2003 compliantSQL++, extends ANSI SQL to JSON for operational, transactional, and analytic use casesnoSQL-like query languageyes infostandard with numerous extensions
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
CLI Client
HTTP REST
Kafka Connector
Native language bindings for CRUD, Query, Search and Analytics APIs
Spark Connector
Spring Data
Bolt protocol
Cypher query language
Browser interface
console (shell)
Cypher Query Language
GO Object Graph Mapper
Java Object Graph Mapper
NGBatis infoORM framework for NebulaGraph and Spring-Boot
Proprietary native API
Python Object Graph Mapper
Query language nGQL
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesC++.Net
C
Go
Java
JavaScript infoNode.js
Kotlin
PHP
Python
Ruby
Scala
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
C++
Go
Java
PHP
Python
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresuser defined functionsFunctions and timers in JavaScript and UDFs in Java, Python, SQL++user defined functionsuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersnoyes infovia the TAP protocolyes
Partitioning methods infoMethods for storing different data on different nodesShardingAutomatic ShardingSharding infodynamic graph partitioningShardingpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication infoincluding cross data center replication
Source-replica replication
Multi-source replication using RAFTCausal Clustering using Raft protocolSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes inforelationships in graphsyes infoRelationships in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infowith snapshot isolationACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentDepending on the underlying data sourceyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infousing RocksDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.Depending on the underlying data sourceyes infoEphemeral bucketsyesyesno
User concepts infoAccess controlDepending on the underlying data sourceUser and Administrator separation with password-based and LDAP integrated Authentication. Role-base access control.Users, roles and permissionsRole-based access controlfine grained access rights according to SQL-standard
More information provided by the system vendor
Apache DrillCouchbase infoOriginally called MembaseMemgraphNebulaGraphPostgreSQL
Specific characteristicsMemgraph directly connects to your streaming infrastructure so you and your team...
» more
NebulaGraph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesBusiness Source License ensures a future for the Memgraph community MAGE algorithm...
» more
NebulaGraph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosGraph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Social networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCompanies from a variety of industries have implemented NebulaGraph Database in production,...
» more
Market metricsAt our very early stage, NebulaGraph has already received over 10,000 stars on GitHub...
» more
Licensing and pricing modelsYou can check out our pricing model and licenses on the company website .
» more
NebulaGraph is open source and free to use under Apache 2.0 license.
» more

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More resources
Apache DrillCouchbase infoOriginally called MembaseMemgraphNebulaGraphPostgreSQL
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