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DBMS > 4D vs. Impala vs. LevelDB vs. searchxml

System Properties Comparison 4D vs. Impala vs. LevelDB vs. searchxml

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonImpala  Xexclude from comparisonLevelDB  Xexclude from comparisonsearchxml  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemAnalytic DBMS for HadoopEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesDBMS for structured and unstructured content wrapped with an application server
Primary database modelRelational DBMSRelational DBMSKey-value storeNative XML DBMS
Search engine
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.56
Rank#118  Overall
#60  Relational DBMS
Score17.82
Rank#39  Overall
#24  Relational DBMS
Score3.66
Rank#96  Overall
#16  Key-value stores
Score0.00
Rank#377  Overall
#7  Native XML DBMS
#24  Search engines
Websitewww.4d.comwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlgithub.com/­google/­leveldbwww.searchxml.net/­category/­products
Technical documentationlivedoc.4d.comdocs.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmlgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdwww.searchxml.net/­support/­handouts
Developer4D, IncClouderaGoogleinformationpartners gmbh
Initial release1984201320112015
Current releasev18 R5, January 20214.1.0, June 20221.23, February 20211.0
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2Open Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++C++
Server operating systemsOS X
Windows
LinuxIllumos
Linux
OS X
Windows
Windows
Data schemeyesyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesnoyes
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.yesnonoyes
Secondary indexesyesyesnoyes
SQL infoSupport of SQLyes infoclose to SQL 92SQL-like DML and DDL statementsnono
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBC
ODBC
RESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languages4D proprietary IDE
PHP
All languages supporting JDBC/ODBCC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresyesyes infouser defined functions and integration of map-reducenoyes infoon the application server
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationselectable replication factornoneyes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infoquery execution via MapReducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonomultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infowith automatic compression on writesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonono
User concepts infoAccess controlUsers and groupsAccess rights for users, groups and roles infobased on Apache Sentry and KerberosnoDomain, group and role-based access control at the document level and for application services

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More resources
4D infoformer name: 4th DimensionImpalaLevelDBsearchxml
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