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DBMS > Altibase vs. KeyDB vs. LMDB vs. searchxml

System Properties Comparison Altibase vs. KeyDB vs. LMDB vs. searchxml

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Editorial information provided by DB-Engines
NameAltibase  Xexclude from comparisonKeyDB  Xexclude from comparisonLMDB  Xexclude from comparisonsearchxml  Xexclude from comparison
DescriptionAn enterprise grade, high-performance RDBMSAn ultra-fast, open source Key-value store fully compatible with Redis API, modules, and protocolsA high performant, light-weight, embedded key-value database libraryDBMS for structured and unstructured content wrapped with an application server
Primary database modelRelational DBMSKey-value storeKey-value storeNative XML DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.07
Rank#186  Overall
#87  Relational DBMS
Score0.71
Rank#226  Overall
#33  Key-value stores
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Websitealtibase.comgithub.com/­Snapchat/­KeyDB
keydb.dev
www.symas.com/­symas-embedded-database-lmdbwww.searchxml.net/­category/­products
Technical documentationgithub.com/­ALTIBASE/­Documents/­tree/­master/­Manualsdocs.keydb.devwww.lmdb.tech/­docwww.searchxml.net/­support/­handouts
DeveloperAltibaseEQ Alpha Technology Ltd.Symasinformationpartners gmbh
Initial release1999201920112015
Current releasev7.3, 2023, August 20230.9.32, January 20241.0
License infoCommercial or Open Sourcecommercial infoOpen source edition discontinued with March 2023Open Source infoBSD-3Open Sourcecommercial
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 languageC++C++CC++
Server operating systemsAIX
HP-UX
Linux
LinuxLinux
Unix
Windows
Windows
Data schemeyesschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyes
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.nononoyes
Secondary indexesyesyes infoby using the Redis Search modulenoyes
SQL infoSupport of SQLANSI SQL-92nonono
APIs and other access methodsJDBC
ODBC
Proprietary protocol
Proprietary protocol infoRESP - REdis Serialization ProtocoRESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languagesC
C++
Java
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
C++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresstored procedures and stored functionsLuanoyes infoon the application server
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesShardingShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
noneyes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDOptimistic locking, atomic execution of commands blocks and scriptsACIDmultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardsimple password-based access control and ACLnoDomain, group and role-based access control at the document level and for application services

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More resources
AltibaseKeyDBLMDBsearchxml
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