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DBMS > atoti vs. LevelDB vs. Qdrant vs. VoltDB

System Properties Comparison atoti vs. LevelDB vs. Qdrant vs. VoltDB

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Editorial information provided by DB-Engines
Nameatoti  Xexclude from comparisonLevelDB  Xexclude from comparisonQdrant  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionAn in-memory DBMS combining transactional and analytical processing to handle the aggregation of ever-changing data.Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA high-performance vector database with neural network or semantic-based matchingDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelObject oriented DBMSKey-value storeVector DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.45
Rank#253  Overall
#13  Object oriented DBMS
Score2.33
Rank#111  Overall
#19  Key-value stores
Score1.53
Rank#145  Overall
#7  Vector DBMS
Score1.38
Rank#156  Overall
#72  Relational DBMS
Websiteatoti.iogithub.com/­google/­leveldbgithub.com/­qdrant/­qdrant
qdrant.tech
www.voltdb.com
Technical documentationdocs.atoti.iogithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdqdrant.tech/­documentationdocs.voltdb.com
DeveloperActiveViamGoogleQdrantVoltDB Inc.
Initial release201120212010
Current release1.23, February 202111.3, April 2022
License infoCommercial or Open Sourcecommercial infofree versions availableOpen Source infoBSDOpen Source infoApache Version 2.0Open Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
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 languageJavaC++RustJava, C++
Server operating systemsIllumos
Linux
OS X
Windows
Docker
Linux
macOS
Windows
Linux
OS X infofor development
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoNumbers, Strings, Geo, Booleanyes
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 indexesnoyes infoKeywords, numberic ranges, geo, full-textyes
SQL infoSupport of SQLMultidimensional Expressions (MDX)nonoyes infoonly a subset of SQL 99
APIs and other access methodsgRPC
OpenAPI 3.0
RESTful HTTP/JSON API infoOpenAPI 3.0
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
.Net
Go
Java
JavaScript (Node.js)
Python
Rust
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresPythonnoJava
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneCollection-level replicationMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency, tunable consistency
Foreign keys infoReferential integritynono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyes infowith automatic compression on writesyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnoKey-based authenticationUsers and roles with access to stored procedures

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More resources
atotiLevelDBQdrantVoltDB
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