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DBMS > Dgraph vs. HarperDB vs. Heroic vs. TiDB

System Properties Comparison Dgraph vs. HarperDB vs. Heroic vs. TiDB

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Editorial information provided by DB-Engines
NameDgraph  Xexclude from comparisonHarperDB  Xexclude from comparisonHeroic  Xexclude from comparisonTiDB  Xexclude from comparison
DescriptionDistributed and scalable native Graph DBMSA DBMS for IoT projects, analytical and transactional use cases , runnable on IoT devices and in the cloud, in distributed and replicated environmentsTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchTiDB is an open source distributed Hybrid Transactional/Analytical Processing (HTAP) database that supports MySQL and Spark SQL syntaxes.
Primary database modelGraph DBMSDocument storeTime Series DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.61
Rank#134  Overall
#9  Graph DBMS
Score0.31
Rank#259  Overall
#35  Document stores
Score0.51
Rank#226  Overall
#14  Time Series DBMS
Score2.14
Rank#123  Overall
#60  Relational DBMS
Websitedgraph.iowww.harperdb.iospotify.github.io/­heroic/­#!/­indexpingcap.com
Technical documentationdocs.dgraph.iodocs.harperdb.iospotify.github.io/­heroic/­#!/­docs/­overviewdocs.pingcap.com/­tidb/­stable
DeveloperDgraph Labs, Inc.HarperDBSpotifyPingCAP, Inc.
Initial release2016201720142016
Current release4.0, July 2020
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infofree community edition availableOpen Source infoApache 2.0Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoNode.jsJavaGo, Rust
Server operating systemsLinux
OS X
Windows
Linux
OS X
Linux
Data schemeschema-freedynamic schemaschema-freeyes
Typing infopredefined data types such as float or dateyesyes infoJSON data typesyesyes
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.nononono
Secondary indexesyesyesyes infovia Elasticsearchyes
SQL infoSupport of SQLnoSQL-like data manipulation statementsnoyes
APIs and other access methodsGraphQL query language
gRPC (using protocol buffers) API
HTTP API
JDBC
ODBC
RESTful HTTP/JSON API
HQL (Heroic Query Language, a JSON-based language)
HTTP API
JDBC
ODBC
Proprietary protocol
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Server-side scripts infoStored proceduresnononono
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesyesA table resides as a whole on one (or more) nodes in a clusterShardinghorizontal partitioning (by key range)
Replication methods infoMethods for redundantly storing data on multiple nodesSynchronous replication via Raftyes infothe nodes on which a table resides can be definedyesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes infowith TiSpark Connector
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononono infocurrently only supported in syntax
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic execution of specific operationsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes, using LMDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlno infoPlanned for future releasesAccess rights for users and rolesUsers with fine-grained authorization concept. No user groups or roles.
More information provided by the system vendor
DgraphHarperDBHeroicTiDB
Specific characteristicsTiDB is an open-source NewSQL database built by PingCAP. TiDB supports Hybrid Transactional...
» more
Competitive advantagesHorizontally scalable transactional graph database with fast arbitrary-depth joins...
» more
In the current database landscape, infrastructure engineers often have to use one...
» more
Typical application scenariosTiDB is designed to support both OLTP and OLAP scenarios. You can use TiDB , the...
» more
Key customersShopee (E-commerce) BookMyShow.com (E-commerce) Yiguo.com (E-commerce) JD Cloud &...
» more
Market metrics25K+ GitHub Stars for TiDB, and 8K+ GitHub Stars for TiKV 1.6K+ members in TiDB Community...
» more
Licensing and pricing modelsOpen Source Apache 2.0 with either commercial licensing or fully-hosted DB-as-a-service...
» more
News

TiDB Operator: Your TiDB Operations Expert in Kubernetes
24 September 2020

How We Build an HTAP Database That Simplifies Your Data Platform
15 September 2020

Announcing HTAP support in TiDB Cloud
8 September 2020

How to Migrate Data from Amazon Aurora MySQL to TiDB Cloud
4 September 2020

Celebrate TiKV Graduation within CNCF
2 September 2020

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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More resources
DgraphHarperDBHeroicTiDB
Recent citations in the news

Dgraph Labs Launches Slash GraphQL, Industry's First GraphQL-Native Database Backend-As-A-Service
10 September 2020, GlobeNewswire

Dgraph Labs Now Available on Auth0 Marketplace
22 September 2020, GlobeNewswire

Dgraph on AWS: Setting up a horizontally scalable graph database
1 September 2020, idk.dev

Slash DGraph Brings Managed Backend and No Code Services to the GraphQL Ecosystem
15 September 2020, ProgrammableWeb

news digest: Slash GraphQL, Snyk closes $200 million round of funding, and DataStax introduces Indexing for Apache Cassandra - SD Times
10 September 2020, SDTimes.com

provided by Google News

HarperDB Releases HarperDB Cloud
22 April 2020, PRNewswire

HarperDB: It’s all about the (open) DBaaS
20 July 2020, ComputerWeekly.com

HarperDB and Dianomic Systems Collaborate to Enhance Edge Industrial Solutions
1 July 2020, PRNewswire

/C O R R E C T I O N -- HarperDB/
1 July 2020, Yahoo Finance

HarperDB: An underdog SQL / NoSQL database
7 February 2018, ZDNet

provided by Google News

Review: Google Bigtable scales with ease
7 September 2016, InfoWorld

provided by Google News

Cloud Native Computing Foundation Announces TiKV Graduation
3 September 2020, EnterpriseTalk

PingCAP Announces TiDB Cloud, Bringing Fully-Managed TiDB Service to AWS and GCP
23 June 2020, PRNewswire

TiKV graduates from the CNCF, enabling persistent storage for container applications
2 September 2020, SiliconANGLE

PingCAP launches TiDB Cloud, a fully-managed database as a service offering
25 June 2020, Help Net Security

TiDB developer PingCAP wants to expand in North America after raising $50M Series C
11 September 2018, TechCrunch

provided by Google News

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