DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Datomic vs. FatDB vs. Google Cloud Firestore vs. Spark SQL

System Properties Comparison Datomic vs. FatDB vs. Google Cloud Firestore vs. Spark SQL

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonFatDB  Xexclude from comparisonGoogle Cloud Firestore  Xexclude from comparisonSpark SQL  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityA .NET NoSQL DBMS that can integrate with and extend SQL Server.Cloud Firestore is an auto-scaling document database for storing, syncing, and querying data for mobile and web apps. It offers seamless integration with other Firebase and Google Cloud Platform products.Spark SQL is a component on top of 'Spark Core' for structured data processing
Primary database modelRelational DBMSDocument store
Key-value store
Document storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.70
Rank#138  Overall
#68  Relational DBMS
Score9.32
Rank#52  Overall
#10  Document stores
Score22.86
Rank#35  Overall
#21  Relational DBMS
Websitewww.datomic.comfirebase.google.com/­products/­firestorespark.apache.org/­sql
Technical documentationdocs.datomic.comfirebase.google.com/­docs/­firestorespark.apache.org/­docs/­latest/­sql-programming-guide.html
DeveloperCognitectFatCloudGoogleApache Software Foundation
Initial release2012201220172014
Current release1.0.6362, January 20223.2.0, October 2021
License infoCommercial or Open Sourcecommercial infolimited edition freecommercialcommercialOpen 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 languageJava, ClojureC#Scala
Server operating systemsAll OS with a Java VMWindowshostedLinux
OS X
Windows
Data schemeyesschema-freeschema-freeyes
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.nonono
Secondary indexesyesyesyesno
SQL infoSupport of SQLnono infoVia inetgration in SQL ServernoSQL-like DML and DDL statements
APIs and other access methodsRESTful HTTP API.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
Android
gRPC (using protocol buffers) API
iOS
JavaScript API
RESTful HTTP API
JDBC
ODBC
Supported programming languagesClojure
Java
C#Go
Java
JavaScript
JavaScript (Node.js)
Objective-C
Python
Java
Python
R
Scala
Server-side scripts infoStored proceduresyes infoTransaction Functionsyes infovia applicationsyes, Firebase Rules & Cloud Functionsno
TriggersBy using transaction functionsyes infovia applicationsyes, with Cloud Functionsno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersShardingShardingyes, utilizing Spark Core
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersselectable replication factorMulti-source replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesUsing Cloud Dataflow
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoyesno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyesyes
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 developmentno
User concepts infoAccess controlnono infoCan implement custom security layer via applicationsAccess rights for users, groups and roles based on Google Cloud Identity and Access Management. Security Rules for 3rd party authentication using Firebase Auth.no

More information provided by the system vendor

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
3rd partiesSQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.
» more

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

More resources
DatomicFatDBGoogle Cloud FirestoreSpark SQL
DB-Engines blog posts

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

show all

Recent citations in the news

The Datomic Information Model
1 February 2013, InfoQ.com

The Architecture of Datomic
2 November 2012, InfoQ.com

Rich Hickey on Datomic: Datalog, Databases, Persistent Data Structures
4 April 2012, InfoQ.com

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal Architecture and Public Cloud at Nubank
16 August 2021, InfoQ.com

Rich Hickey on Datomic, CAP and ACID
21 January 2013, InfoQ.com

provided by Google News

Google Cloud Launches New Postgres-Compatible Database, AlloyDB
11 May 2022, Datanami

Google's Firebase app development platform gets updates and security boosts
11 May 2022, SiliconANGLE News

Google's Data Cloud Summit Serves Up Incremental New Capabilities
25 April 2022, Forbes

Kill some time waiting for Google I/O to start with its official pinball game
10 May 2022, Android Police

Google’s Cloud Firestore NoSQL database hits general availability
31 January 2019, TechCrunch

provided by Google News

Top online courses to learn Apache Spark
5 May 2022, Analytics India Magazine

Spark Gets Closer Hooks to Pandas, SQL with Version 3.2
26 October 2021, Datanami

Top 10 Business Intelligence Jobs in MNCs to Apply for in May
6 May 2022, Analytics Insight

Databricks SQL Now GA, Bringing Traditional BI to the Lakehouse
16 December 2021, Datanami

The 7 Best Apache Spark Tutorials on YouTube to Watch Right Now
14 February 2022, Solutions Review

provided by Google News

Job opportunities

Sr. Backend Engineer .NET (REMOTE)
Railsbank, Houston, TX

Data Scientist
Analytical Flavor Systems, Inc, Remote

Senior Business Intelligence Developer
IQuasar, Washington, DC

Data Engineer (open to remote)
Vida Health, San Francisco, CA

Front End Developer
Kiswe, New Providence, NJ

iOS Developer, Play Disney Parks
Disney Parks, Experiences and Products, Glendale, CA

Senior Software Engineer - Services Development
Disney Parks, Experiences and Products, Glendale, CA

Senior Data Engineer - Humble Bundle
Humble Bundle, Los Angeles, CA

Data Engineer
Piper Companies, Remote

Lead Data Scientist
New Balance, Massachusetts

ETL Tester
Cool Minds LLC, Remote

Data Analyst - Research
Datadog, New York, NY

Associate Data & Machine Learning Engineer
Amazon Web Services, Inc., Remote

jobs by Indeed



Share this page

Featured Products

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

The definitive guide for Cassandra

Imagine What You Could Do if Scalability Wasn‘t a Problem!
Download the Cassandra e-book for free!

AllegroGraph logo

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

Redis logo

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

Present your product here