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DBMS > Alibaba Cloud HybridDB vs. LevelDB

System Properties Comparison Alibaba Cloud HybridDB vs. LevelDB

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Our visitors often compare Alibaba Cloud HybridDB and LevelDB with Firebase Realtime Database, Cassandra and MongoDB.

Editorial information provided by DB-Engines
NameAlibaba Cloud HybridDB  Xexclude from comparisonLevelDB  Xexclude from comparison
DescriptionHybridDB is an online MPP (Massively Parallel Processing) data warehousing service based on GreenplumEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string values
Primary database modelRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#232  Overall
#109  Relational DBMS
Score2.86
Rank#89  Overall
#15  Key-value stores
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlgithub.com/­google/­leveldb
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­35387.htmgithub.com/­google/­leveldb/­blob/­master/­doc/­index.md
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupGoogle
Initial release20162011
Current release1.21, March 2019
License infoCommercial or Open SourcecommercialOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++
Server operating systemshostedIllumos
Linux
OS X
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesno
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.yesno
Secondary indexesyesno
SQL infoSupport of SQLyesno
APIs and other access methodsJDBC
ODBC
C++ API
Go
Java infoThird party binding
Node.js infoThird party binding
Python infoThird party binding
Supported programming languagesC
Java
Perl
Python
R
C++
Go
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud servicenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud servicenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
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.no
User concepts infoAccess controlfine grained access rights according to SQL-standardno

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Alibaba Cloud HybridDBLevelDB
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