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DBMS > PostgreSQL vs. QuestDB vs. RocksDB

System Properties Comparison PostgreSQL vs. QuestDB vs. RocksDB

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Editorial information provided by DB-Engines
NamePostgreSQL  Xexclude from comparisonQuestDB  Xexclude from comparisonRocksDB  Xexclude from comparison
DescriptionWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLA high performance open source SQL database for time series dataEmbeddable persistent key-value store optimized for fast storage (flash and RAM)
Primary database modelRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Time Series DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score616.50
Rank#4  Overall
#4  Relational DBMS
Score1.95
Rank#147  Overall
#12  Time Series DBMS
Score4.47
Rank#91  Overall
#15  Key-value stores
Websitewww.postgresql.orgquestdb.iorocksdb.org
Technical documentationwww.postgresql.org/­docsquestdb.io/­docs/­introductiongithub.com/­facebook/­rocksdb/­wiki
DeveloperPostgreSQL Global Development Group infowww.postgresql.org/­developerQuestDB LimitedFacebook, Inc.
Initial release1989 info1989: Postgres, 1996: PostgreSQL20142013
Current release15.1, November 20227.9.2, December 2022
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoApache 2.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
  • ScaleGrid for PostgreSQL: Fully managed PostgreSQL DBaaS hosting On-Premises and on clouds such as AWS, Azure, GCP and DigitalOcean with no vendor lock-in. Leverage any extension and get SSH access.
  • Aiven for PostgreSQL: Fully managed and hosted PostgreSQL® with 70+ extensions and orchestration tooling included.
Implementation languageCJavaC++
Server operating systemsFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Linux
macOS
Windows
Linux
Data schemeyesyes infoschema-free via InfluxDB Line Protocolschema-free
Typing infopredefined data types such as float or dateyesyesno
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 indexesyesnono
SQL infoSupport of SQLyes infostandard with numerous extensionsSQL-like query languageno
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
C++ API
Java API
Supported programming languages.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
C
C++
Go
Java
Perl
Python
Ruby
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.nono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodespartitioning by range, list and (since PostgreSQL 11) by hashhorizontal partitioning (by timestamps)none
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsConfigurable consistency for N replicasnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID for single-table writesyes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infothrough memory mapped filesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardno
More information provided by the system vendor
PostgreSQLQuestDBRocksDB
Specific characteristicsRelational model with native time series support Column based storage and time partitioned...
» more
Competitive advantagesReal-time data ingestion and istant SQL queries for time series High performance...
» more
Typical application scenariosApplication metrics Financial market data and algo trading DevOps monitoring Real-time...
» more
Licensing and pricing modelsApache 2.0.
» more
News

SQL Performance Tuning: Introducing EXPLAIN
26 January 2023

Three SQL Keywords for Finding Missing Data
24 January 2023

QuestDB 6.7 Release
23 January 2023

Using QuestDB to collect infrastructure metrics
19 January 2023

What Is Time-Series Data?
17 January 2023

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
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DbVisualizer is equipping database professionals with the tools they need to build, manage and maintain state-of-the-art database technologies. It has sky-high user satisfaction and is the preferred tool for database professionals around the world. Customers include Tesla, Apple, Facebook, Deutsche Bank, NASA, and 25,000 others in 145 countries.
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pgDash: In-Depth PostgreSQL Monitoring.
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The State of PostgreSQL 2022 survey is now open!
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Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
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Aiven for PostgreSQL: The familiar open source PostgreSQL® that you know and love, with no proprietary features or add-ons that will lock you in.
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Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
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Speedb: A high performance RocksDB-compliant key-value store optimized for write-intensive workloads.
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
PostgreSQLQuestDBRocksDB
DB-Engines blog posts

Snowflake is the DBMS of the Year 2022, defending the title from last year
3 January 2023, Matthias Gelbmann, Paul Andlinger

Snowflake is the DBMS of the Year 2021
3 January 2022, Paul Andlinger, Matthias Gelbmann

Driving the Future of PostgreSQL Adoption
15 November 2021,  Umair Shahid, Percona (sponsor) 

show all

Conferences and events

PGCon 2023, PostgreSQL Conference for Users and Developers
Ottawa, Canada, 30 May 2023 - 2 June 2023

Recent citations in the news

What is PostgreSQL?
25 January 2023, Database Journal

Securing PostgreSQL from Cryptojacking Campaigns in Kubernetes
26 January 2023, CrowdStrike

Microsoft: Kubernetes clusters hacked in malware campaign via PostgreSQL
9 January 2023, BleepingComputer

Running Applications in Docker, Part 2: Table Joins in PostgreSQL
20 January 2023, Virtualization Review

10 Tips to Optimize PostgreSQL Queries in Your Django Project
11 January 2023, Security Boulevard

provided by Google News

QuestDB Selected by Aquis Exchange to Power Its Financial ...
1 November 2022, GlobeNewswire

QuestDB snares $12M Series A with hosted version coming soon
3 November 2021, TechCrunch

QuestDB nabs $2.3M seed to build open source time series database
2 July 2020, TechCrunch

Read the Pitch Deck Database Startup QuestDB Used to Raise $12 ...
11 November 2021, Business Insider

Build a Real-time Stock Price Dashboard With Python, QuestDB and ...
6 November 2021, hackernoon.com

provided by Google News

Kicking Up AI, Data Analytics, And Networking A Notch Or Two
25 January 2023, The Next Platform

Pliops Unveils Accelerated Key-Value Store That Boosts RocksDB ...
18 October 2022, GlobeNewswire

Meta’s Velox Means Database Performance Is Not Subject To Interpretation
31 August 2022, The Next Platform

Did Rockset Just Solve Real-Time Analytics?
25 August 2021, Datanami

Swim Maintains a Steady State Amid Fast-Moving Data
8 August 2022, Datanami

provided by Google News

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