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DBMS > chDB vs. ITTIA vs. LevelDB

System Properties Comparison chDB vs. ITTIA vs. LevelDB

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Editorial information provided by DB-Engines
NamechDB  Xexclude from comparisonITTIA  Xexclude from comparisonLevelDB  Xexclude from comparison
DescriptionAn embedded SQL OLAP Engine powered by ClickHouseEdge Time Series DBMS with Real-Time Stream ProcessingEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string values
Primary database modelRelational DBMSTime Series DBMSKey-value store
Secondary database modelsTime Series DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#376  Overall
#158  Relational DBMS
Score0.44
Rank#267  Overall
#23  Time Series DBMS
Score2.25
Rank#115  Overall
#19  Key-value stores
Websitegithub.com/­chdb-io/­chdbwww.ittia.comgithub.com/­google/­leveldb
Technical documentationdoc.chdb.iogithub.com/­google/­leveldb/­blob/­main/­doc/­index.md
DeveloperITTIA L.L.C.Google
Initial release202320072011
Current release8.71.23, February 2021
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C++
Server operating systemsserver-lessLinux
Windows
Illumos
Linux
OS X
Windows
Data schemeFixed schemaschema-free
Typing infopredefined data types such as float or dateFloat/Blob/Integer/String/Unicode/Date/Time/Timestamp/Intervalno
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 indexesyesno
SQL infoSupport of SQLClose to ANSI SQL (SQL/JSON + extensions)yesno
APIs and other access methodsJDBC
ODBC
RESTful HTTP API
WebSocket
Supported programming languagesBun
C
C++
Go
JavaScript (Node.js)
Python
Rust
C
C++
JavaScript (Node.js)
Python
C++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Server-side scripts infoStored proceduresyesno
Triggersnono
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyesyes infowith automatic compression on writes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlDatabase file passwordsno

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More resources
chDBITTIALevelDB
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