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DBMS > 4D vs. Alibaba Cloud AnalyticDB for PostgreSQL vs. Amazon DynamoDB vs. OpenQM

System Properties Comparison 4D vs. Alibaba Cloud AnalyticDB for PostgreSQL vs. Amazon DynamoDB vs. OpenQM

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Editorial information provided by DB-Engines
Name4D infoformer name: 4th Dimension  Xexclude from comparisonAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDB  Xexclude from comparisonAmazon DynamoDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionApplication development environment with integrated database management systemAn online MPP (Massively Parallel Processing) data warehousing service based on GreenplumHosted, scalable database service by Amazon with the data stored in Amazons cloudQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelRelational DBMSRelational DBMSDocument store
Key-value store
Multivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.58
Rank#108  Overall
#54  Relational DBMS
Score0.68
Rank#231  Overall
#105  Relational DBMS
Score74.07
Rank#17  Overall
#3  Document stores
#2  Key-value stores
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Websitewww.4d.comwww.alibabacloud.com/­product/­hybriddb-postgresqlaws.amazon.com/­dynamodbwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationdeveloper.4d.comwww.alibabacloud.com/­help/­en/­analyticdb-for-postgresql/­latest/­product-introduction-overviewdocs.aws.amazon.com/­dynamodb
Developer4D, IncAlibaba / Pivotal Software Inc. / PostgreSQL Global Development GroupAmazonRocket Software, originally Martin Phillips
Initial release1984201620121993
Current releasev20, April 20233.4-12
License infoCommercial or Open Sourcecommercialcommercialcommercial infofree tier for a limited amount of database operationsOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenoyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemsOS X
Windows
hostedhostedAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyesyesschema-freeyes infowith some exceptions
Typing infopredefined data types such as float or dateyesyesyes
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.yesyesyes
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyes infoclose to SQL 92yesnono
APIs and other access methodsODBC
RESTful HTTP API infoby using 4D Mobile
SOAP webservices
JDBC
ODBC
RESTful HTTP API
Supported programming languages4D proprietary IDE
PHP
C
Java
Perl
Python
R
.Net
ColdFusion
Erlang
Groovy
Java
JavaScript
Perl
PHP
Python
Ruby
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyesyesnoyes
Triggersyesyesyes infoby integration with AWS Lambdayes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud serviceShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationyes infoImplicit feature of the cloud serviceyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infomay be implemented via Amazon Elastic MapReduce (Amazon EMR)no
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoACID across one or more tables within a single AWS account and regionACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.nono
User concepts infoAccess controlUsers and groupsfine grained access rights according to SQL-standardAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Access rights can be defined down to the item level

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More resources
4D infoformer name: 4th DimensionAlibaba Cloud AnalyticDB for PostgreSQL infoformer name was HybridDBAmazon DynamoDBOpenQM infoalso called QM
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