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DBMS > Apache Impala vs. LevelDB vs. Neo4j vs. searchxml vs. TDengine

System Properties Comparison Apache Impala vs. LevelDB vs. Neo4j vs. searchxml vs. TDengine

Editorial information provided by DB-Engines
NameApache Impala  Xexclude from comparisonLevelDB  Xexclude from comparisonNeo4j  Xexclude from comparisonsearchxml  Xexclude from comparisonTDengine  Xexclude from comparison
DescriptionAnalytic DBMS for HadoopEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesScalable, ACID-compliant graph database designed with a high-performance distributed cluster architecture, available in self-hosted and cloud offeringsDBMS for structured and unstructured content wrapped with an application serverTime Series DBMS and big data platform
Primary database modelRelational DBMSKey-value storeGraph DBMSNative XML DBMS
Search engine
Time Series DBMS
Secondary database modelsDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.63
Rank#40  Overall
#24  Relational DBMS
Score2.33
Rank#111  Overall
#19  Key-value stores
Score42.68
Rank#21  Overall
#1  Graph DBMS
Score0.00
Rank#385  Overall
#7  Native XML DBMS
#24  Search engines
Score2.48
Rank#107  Overall
#9  Time Series DBMS
Websiteimpala.apache.orggithub.com/­google/­leveldbneo4j.comwww.searchxml.net/­category/­productsgithub.com/­taosdata/­TDengine
tdengine.com
Technical documentationimpala.apache.org/­impala-docs.htmlgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdneo4j.com/­docswww.searchxml.net/­support/­handoutsdocs.tdengine.com
DeveloperApache Software Foundation infoApache top-level project, originally developed by ClouderaGoogleNeo4j, Inc.informationpartners gmbhTDEngine, previously Taos Data
Initial release20132011200720152019
Current release4.1.0, June 20221.23, February 20215.23, August 20241.03.0, August 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoBSDOpen Source infoGPL version3, commercial licenses availablecommercialOpen Source infoAGPL V3, also commercial editions available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Neo4j Aura: Neo4j’s fully managed cloud service: The zero-admin, always-on graph database for cloud developers.
Implementation languageC++C++Java, ScalaC++C
Server operating systemsLinuxIllumos
Linux
OS X
Windows
Linux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
WindowsLinux
Windows
Data schemeyesschema-freeschema-free and schema-optionalschema-freeyes
Typing infopredefined data types such as float or dateyesnoyesyesyes
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.nonoyesno
Secondary indexesyesnoyes infopluggable indexing subsystem, by default Apache Luceneyesno
SQL infoSupport of SQLSQL-like DML and DDL statementsnononoStandard SQL with extensions for time-series applications
APIs and other access methodsJDBC
ODBC
Bolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
RESTful HTTP API
WebDAV
XQuery
XSLT
JDBC
RESTful HTTP API
Supported programming languagesAll languages supporting JDBC/ODBCC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
C++ infomost other programming languages supported via APIsC
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reducenoyes infoUser defined Procedures and Functionsyes infoon the application serverno
Triggersnonoyes infovia event handlernoyes, via alarm monitoring
Partitioning methods infoMethods for storing different data on different nodesShardingnoneyes using Neo4j FabricnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factornoneCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyyes infosychronisation to multiple collectionsyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReducenonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Immediate Consistency
Foreign keys infoReferential integritynonoyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDmultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and KerberosnoUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)Domain, group and role-based access control at the document level and for application servicesyes
More information provided by the system vendor
Apache ImpalaLevelDBNeo4jsearchxmlTDengine
Specific characteristicsNeo4j delivers graph technology that has been battle tested for performance and scale...
» more
TDengine™ is a time-series database designed to help traditional industries overcome...
» more
Competitive advantagesNeo4j is the market leader, graph database category creator, and the most widely...
» more
High Performance at Any Scale: With its distributed scalable architecture that grows...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
TDengine is purpose-built for Industry 4.0 and the Industrial IoT (IIoT) and particularly...
» more
Key customersOver 800 commercial customers and over 4300 startups use Neo4j. Flagship customers...
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than 140 million...
» more
TDengine has garnered over 23,000 stars on GitHub and is used in over 50 countries...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
TDengine OSS is free, open-source software released under the AGPLv3. TDengine Enterprise...
» more
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