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DBMS > Alibaba Cloud HybridDB vs. Alibaba Cloud MaxCompute vs. EJDB vs. IBM Db2 warehouse

System Properties Comparison Alibaba Cloud HybridDB vs. Alibaba Cloud MaxCompute vs. EJDB vs. IBM Db2 warehouse

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NameAlibaba Cloud HybridDB  Xexclude from comparisonAlibaba Cloud MaxCompute  Xexclude from comparisonEJDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparison
DescriptionHybridDB is an online MPP (Massively Parallel Processing) data warehousing service based on GreenplumMaxCompute (previously known as ODPS) is a general purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousingEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Cloud-based data warehousing service
Primary database modelRelational DBMSRelational DBMS infoa graph-processing framework is available with the graphs being stored in tablesDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.31
Rank#234  Overall
#109  Relational DBMS
Score0.49
Rank#208  Overall
#100  Relational DBMS
Score0.18
Rank#262  Overall
#35  Document stores
Score1.76
Rank#120  Overall
#58  Relational DBMS
Websitewww.alibabacloud.com/­product/­hybriddb-postgresqlwww.alibabacloud.com/­product/­maxcomputeejdb.orgwww.ibm.com/­products/­db2-warehouse
Technical documentationwww.alibabacloud.com/­help/­doc-detail/­35387.htmwww.alibabacloud.com/­help/­product/­27797.htmgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupAlibabaSoftmotionsIBM
Initial release2016201620122014
License infoCommercial or Open SourcecommercialcommercialOpen Source infoGPLv2commercial
Cloud-based only infoOnly available as a cloud serviceyesyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC
Server operating systemshostedhostedserver-lesshosted
Data schemeyesyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes infostring, integer, double, bool, date, object_idyes
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.yesnono infoImport/export of XML data possible
Secondary indexesyesnonoyes
SQL infoSupport of SQLyesSQL-like query languagenoyes
APIs and other access methodsJDBC
ODBC
Fluentd
Flume
MaxCompute Console
in-process shared library.NET Client API
JDBC
ODBC
OLE DB
Supported programming languagesC
Java
Perl
Python
R
JavaActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Server-side scripts infoStored proceduresyesuser defined functions infoin JavanoPL/SQL, SQL PL
Triggersyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoImplicit feature of the cloud serviceSharding infoImplicit feature of the cloud servicenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoImplicit feature of the cloud serviceyes infoImplicit feature of the cloud servicenoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono infotypically not needed, however similar functionality with collection joins possibleyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoRead/Write Lockingyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesnofine grained access rights according to SQL-standard

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More resources
Alibaba Cloud HybridDBAlibaba Cloud MaxComputeEJDBIBM Db2 warehouse infoformerly named IBM dashDB
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