DB-EnginesExtremeDB: the first and only COTS deterministic embedded database management system for mission- and safety-critical hard real-time applicationsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > LevelDB vs. Memcached vs. Sequoiadb vs. TiDB

System Properties Comparison LevelDB vs. Memcached vs. Sequoiadb vs. TiDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonMemcached  Xexclude from comparisonSequoiadb  Xexclude from comparisonTiDB  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesIn-memory key-value store, originally intended for cachingNewSQL database with distributed OLTP and SQLTiDB is an open source distributed Hybrid Transactional/Analytical Processing (HTAP) database that supports MySQL and Spark SQL syntaxes.
Primary database modelKey-value storeKey-value storeDocument store
Relational DBMS
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.97
Rank#98  Overall
#17  Key-value stores
Score25.66
Rank#30  Overall
#4  Key-value stores
Score0.48
Rank#241  Overall
#38  Document stores
#115  Relational DBMS
Score2.66
Rank#106  Overall
#53  Relational DBMS
Websitegithub.com/­google/­leveldbwww.memcached.orgwww.sequoiadb.compingcap.com
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdgithub.com/­memcached/­memcached/­wikiwww.sequoiadb.com/­en/­index.php?m=Files&a=indexdocs.pingcap.com/­tidb/­stable
DeveloperGoogleDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSequoiadb Ltd.PingCAP, Inc.
Initial release2011200320132016
Current release1.23, February 20211.6.9, November 20205.0.1, April 2021
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoBSD licenseOpen Source infoServer: AGPL; Client: Apache V2Open 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.
TiDB Cloud: Fully-managed TiDB Service. Bring everything great about TiDB to the cloud.
Implementation languageC++CC++Go, Rust
Server operating systemsIllumos
Linux
OS X
Windows
FreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenonoyes infooid, date, timestamp, binary, regexyes
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 indexesnonoyesyes
SQL infoSupport of SQLnonoSQL-like query languageyes
APIs and other access methodsProprietary protocolproprietary protocol using JSONJDBC
ODBC
Proprietary protocol
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C++
Java
PHP
Python
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 proceduresnonoJavaScriptno
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardinghorizontal partitioning (by key range)
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationUsing 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 ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono infocurrently only supported in syntax
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoDocument is locked during a transactionACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlnoyes infousing SASL (Simple Authentication and Security Layer) protocolsimple password-based access controlUsers with fine-grained authorization concept. No user groups or roles.
More information provided by the system vendor
LevelDBMemcachedSequoiadbTiDB
Specific characteristicsTiDB is an open-source NewSQL database built by PingCAP. TiDB supports Hybrid Transactional...
» more
Competitive advantagesIn 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

Getting Started with JuiceFS Using TiKV
17 September 2021

How to Run Chaos Experiments on Your Physical Machine
14 September 2021

Easy Local Development with TiDB
7 September 2021

TiDB 5.2 - Translytical Processing Made Easier and Faster
1 September 2021

Raft and High Availability
1 September 2021

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
LevelDBMemcachedSequoiadbTiDB
DB-Engines blog posts

Redis extends the lead in the DB-Engines key-value store ranking
3 February 2014, Matthias Gelbmann

New DB-Engines Ranking shows the popularity of database management systems
3 October 2012, Matthias Gelbmann, Paul Andlinger

show all

Recent citations in the news

Malicious npm package caught trying to steal sensitive Discord and browser files
28 August 2020, ZDNet

The best IoT databases for the edge – an overview and guide
15 October 2020, AZ Big Media

Squeezing More Performance Out Of The Linux Kernel With Clang + LTO
21 July 2021, Phoronix

Npm package caught stealing sensitive Discord and browser files
9 November 2020, ZDNet

Experts Warn of PS4 'Fall Guys' Malicious Code That May Steal Files From Your Game
29 August 2020, Tech Times

provided by Google News

Google Releases Memorystore for Memcached into General Availability
9 March 2021, InfoQ.com

Google Cloud rolls out Memcached database caching – Blocks and Files
4 April 2020, Blocks and Files

What are memcached servers, and why are they being used to launch record-setting DDoS attacks?
6 March 2018, GeekWire

Memcached DDoS Explained
25 August 2021, akamai.com

​Memcached DDoS: The biggest, baddest denial of service attacker yet
1 March 2018, ZDNet

provided by Google News

Operational Database Management Systems (OPDBMS) Software Market May Set New Growth Story | Aerospike, Datastax, Redis Labs, Google, Fujitsu, MarkLogic
13 September 2021, Digital Journal

New Report On Operational Database Management Systems (OPDBMS) Software Market Evolving Technology and Growth Outlook 2021 to 2026
15 September 2021, Northwest Diamond Notes

Understanding open source databases
18 February 2021, VentureBeat

New Fund, New IPOs: The Era Of Successful China VC Investing Hasn't Ended Here
14 May 2020, Forbes

Top 25 IoT Startups To Watch In 2019
20 February 2019, Enterprise Irregulars

provided by Google News

PingCAP announces Public Preview of TiDB Cloud USA - English USA - English
10 May 2021, PRNewswire

PingCAP, the open-source developer behind TiDB, closes $270 million Series D
17 November 2020, TechCrunch

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

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

How TiDB combines OLTP and OLAP in a distributed database
17 October 2018, InfoWorld

provided by Google News

Job opportunities

Software Engineer - Time
DataDog, New York, NY

Senior Software Engineer
IT People, Morrisville, NC

Principal Engineer - Database Engineering
Snowflake, San Mateo, CA

Back End Developer
AIDːTech, New York, NY

Senior Software Engineer- Database Engineering
Snowflake, San Mateo, CA

Production Engineer
Facebook, Boston, MA

Remote Implementation Engineer - contractor or perm
RiskSpan, Washington, DC

Front-End Developer
Qcentrio, Houston, TX

Junior DevOps Engineer
Accesso, Orlando, FL

Senior Software Development Engineer
Workday, Boston, MA

Software Engineer
PingCAP, Remote

Software Engineer, Storage and Caching
Pinterest, San Francisco, CA

Recruiter
PingCAP, San Mateo, CA

Senior Demand Generation Marketing Manager
PingCAP, San Mateo, CA

Developer Relations and Product Evangelist
PingCAP, Remote

jobs by Indeed



Share this page

Featured Products

AllegroGraph logo

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

Couchbase logo

The modern database for enterprise applications. Build fast. Scale Big. Save more.
Get started today.

Neo4j logo

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

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Present your product here