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 > LevelDB vs. TimesTen vs. UniData,UniVerse

System Properties Comparison LevelDB vs. TimesTen vs. UniData,UniVerse

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonTimesTen  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesIn-Memory RDBMS compatible to OracleMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelKey-value storeRelational DBMSMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.90
Rank#98  Overall
#17  Key-value stores
Score1.85
Rank#125  Overall
#60  Relational DBMS
Score4.19
Rank#81  Overall
#2  Multivalue DBMS
Websitegithub.com/­google/­leveldbwww.oracle.com/­database/­technologies/­related/­timesten.htmlwww.rocketsoftware.com/­products/­rocket-u2
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mddocs.oracle.com/­database/­timesten-18.1www.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperGoogleOracle, TimesTen Performance Software, HP infooriginally founded in HP Labs it was acquired by Oracle in 2005Rocket Software
Initial release201119981985
Current release1.23, February 202111 Release 2 (11.2.2.8.0)
License infoCommercial or Open SourceOpen Source infoBSDcommercialcommercial
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.
Implementation languageC++C
Server operating systemsIllumos
Linux
OS X
Windows
AIX
HP-UX
Linux
OS X
Solaris SPARC/x86
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesoptional
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.nono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesyes
APIs and other access methodsJDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C++
Java
PL/SQL
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresnoPL/SQLyes
Triggersnonoyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesnonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency or Eventual Consistency depending on configuration
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infoby means of logfiles and checkpointsyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights according to SQL-standard and operating system based

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

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

More resources
LevelDBTimesTenUniData,UniVerse
Recent citations in the news

Unable to Remove Alibaba PC Safe Service - Virus, Trojan, Spyware, and Malware Removal Help
14 October 2021, BleepingComputer

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

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

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

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

provided by Google News

Unidata's (BIT:UD) Robust Earnings Are Not All Good News For Shareholders
6 October 2021, Simply Wall St

Water Level and Storage Monitoring Software Market: In-Situ Inc., Unidata Pty Ltd., Gallagher Group Limited, Specto Technology, Onset Computer Corporation, Trimble, Wildeye, OneTemp, Stevens Water Monitoring Systems Inc, Minerva Industrial & Tradi
20 October 2021, Puck77

Aquaculture Monitoring System Market Report 2020: Kongsberg Maritime, OsmoBot, Campbell Scientific, Aanderaa, Pentair, EnviroMonitors, Unidata, Nautikaris, Endress+Hauser Process Solutions, Xylem, etc. – Puck77
20 October 2021, Puck77

StrikeTru to implement Unidata MDM Solution for Baird & Warner Real Estate Services Company based in Chicago
14 April 2021, PR Web

Investors Could Be Concerned With Unidata's (BIT:UD) Returns On Capital
11 May 2021, Simply Wall St

provided by Google News

Job opportunities

Software Engineer - Time
DataDog, New York, NY

Senior Database Engineer - DataHub
Bloomberg, New York, NY

Senior Software Engineer
IT People, Morrisville, NC

Product Manager
Rakuten Advertising, New York, NY

Senior Software Engineer - FoundationDB
Snowflake, San Mateo, CA

JR SQL Developer - Data Wrangler Apprenticeship
Arkansas Center for Data Sciences, Little Rock, AR

Software Analyst, Global Support
Ellucian, Reston, VA

Data Engineer
PrismHR, Remote

Supervisor, Customer Service - Pac Sales
Best Buy, Pasadena, CA

Colleague Programmer - National- Remote
CampusWorks, Bradenton, FL

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 5 GB free..

Vertica logo

Vertica Accelerator. The fastest analytics and machine learning, delivered as SaaS, with automated setup, administration, and management. Free trial.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

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.

Present your product here