DB-EnginesExtremeDB: the mission critical dbmsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > atoti vs. IBM Db2 Event Store vs. Microsoft Azure SQL Database vs. QuestDB

System Properties Comparison atoti vs. IBM Db2 Event Store vs. Microsoft Azure SQL Database vs. QuestDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparisonMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonQuestDB  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.Distributed Event Store optimized for Internet of Things use casesDatabase as a Service offering with high compatibility to Microsoft SQL ServerA high performance open source SQL database for time series data
Primary database modelObject oriented DBMSEvent Store
Time Series DBMS
Relational DBMSTime Series DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.61
Rank#246  Overall
#14  Object oriented DBMS
Score0.39
Rank#276  Overall
#2  Event Stores
#21  Time Series DBMS
Score84.96
Rank#16  Overall
#10  Relational DBMS
Score1.75
Rank#144  Overall
#10  Time Series DBMS
Websitewww.atoti.iowww.ibm.com/­products/­db2-event-storeazure.microsoft.com/­en-us/­services/­sql-databasequestdb.io
Technical documentationwww.ibm.com/­support/­knowledgecenter/­en/­SSGNPV_2.0.0/­welcome.htmldocs.microsoft.com/­en-us/­azure/­azure-sqlquestdb.io/­docs/­introduction
DeveloperActiveViamIBMMicrosoftQuestDB Limited
Initial release201720102014
Current release2.0V12
License infoCommercial or Open Sourcecommercial infofree versions availablecommercial infofree developer edition availablecommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC and C++C++Java
Server operating systemsLinux infoLinux, macOS, Windows for the developer additionhostedLinux
macOS
Windows
Data schemeyesyesyes infoschema-free via InfluxDB Line Protocol
Typing infopredefined data types such as float or dateyesyesyes
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.noyesno
Secondary indexesnoyesno
SQL infoSupport of SQLMultidimensional Expressions (MDX)yes infothrough the embedded Spark runtimeyesSQL-like query language
APIs and other access methodsADO.NET
DB2 Connect
JDBC
ODBC
RESTful HTTP API
ADO.NET
JDBC
ODBC
HTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Scala
Visual Basic
.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
C infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
Server-side scripts infoStored proceduresPythonyesTransact SQLno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningShardinghorizontal partitioning (by timestamps)
Replication methods infoMethods for redundantly storing data on multiple nodesActive-active shard replicationyes, with always 3 replicas availableConfigurable consistency for N replicas
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID for single-table writes
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)No - written data is immutableyesyes
Durability infoSupport for making data persistentYes - Synchronous writes to local disk combined with replication and asynchronous writes in parquet format to permanent shared storageyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infothrough memory mapped files
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
atotiIBM Db2 Event StoreMicrosoft Azure SQL Database infoformerly SQL AzureQuestDB
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

Join Hacktoberfest 2022 and contribute to QuestDB!
30 September 2022

Importing 3m rows/sec with io_uring
12 September 2022

Using BIRCH for anomaly detection with QuestDB
22 August 2022

QuestDB 6.5 Release - CSV import
8 August 2022

Setting up Basic Authentication for QuestDB open source using Nginx
5 August 2022

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.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
atotiIBM Db2 Event StoreMicrosoft Azure SQL Database infoformerly SQL AzureQuestDB
DB-Engines blog posts

PostgreSQL is the DBMS of the Year 2020
4 January 2021, Paul Andlinger, Matthias Gelbmann

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

The popularity of cloud-based DBMSs has increased tenfold in four years
7 February 2017, Matthias Gelbmann

show all

Recent citations in the news

ActiveViam Embraces Python for its In-Memory Database
4 August 2020, www.waterstechnology.com

provided by Google News

Compare Azure Data Factory vs. SSIS
19 September 2022, TechTarget

Top 5 Reasons To Migrate Databases to the Cloud
13 September 2022, Spiceworks News and Insights

What is Azure Data Factory?
9 September 2022, Petri.com

SQL Server in Azure database choices and what they offer users
29 July 2019, TechTarget

DataVeil Technologies announces release of DataVeil data masking software version 4.7
21 September 2022, PR Web

provided by Google News

QuestDB raises $12M Series A as the adoption of its time series database grows
3 November 2021, GlobeNewswire

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

Uber, Lyft, Square, ScyllaDB & Google Engineers on the P99 CONF Agenda
28 September 2022, EIN News

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

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

provided by Google News

Job opportunities

Azure Architect
ClinDCast LLC, Remote

Azure Data Engineer
nFolks Ltd, Lexington, MA

Job Open for Azure Architect_Remote
Tekshapers Software Solutions Pvt Ltd, Remote

Azure Infra. Admin with Azure SQL -- Remote Work
Orgspire Info Technologies Pvt. Ltd., Remote

Digital Technologies - Azure SQL Jr. DBA - REMOTE
Pratt & Whitney, East Hartford, CT

Product Manager
NXLog, Remote

jobs by Indeed



Share this page

Featured Products

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 80GB free.

Neo4j logo

Neo4j NODES 2022
Free online conference for developers and data scientists.
November 16/17 2022.
Register now for free!

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Redis logo

The world’s most loved real‑time data platform.
Try free

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Present your product here