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DBMS > Amazon Redshift vs. LokiJS vs. Microsoft Azure AI Search vs. Microsoft Azure Synapse Analytics vs. SurrealDB

System Properties Comparison Amazon Redshift vs. LokiJS vs. Microsoft Azure AI Search vs. Microsoft Azure Synapse Analytics vs. SurrealDB

Editorial information provided by DB-Engines
NameAmazon Redshift  Xexclude from comparisonLokiJS  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparisonSurrealDB  Xexclude from comparison
DescriptionLarge scale data warehouse service for use with business intelligence toolsIn-memory JavaScript DBMSSearch-as-a-service for web and mobile app developmentElastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerA fully ACID transactional, developer-friendly, multi-model DBMS
Primary database modelRelational DBMSDocument storeSearch engineRelational DBMSDocument store
Graph DBMS
Secondary database modelsVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score15.25
Rank#38  Overall
#23  Relational DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score5.75
Rank#58  Overall
#7  Search engines
Score18.98
Rank#31  Overall
#19  Relational DBMS
Score1.11
Rank#174  Overall
#30  Document stores
#17  Graph DBMS
Websiteaws.amazon.com/­redshiftgithub.com/­techfort/­LokiJSazure.microsoft.com/­en-us/­services/­searchazure.microsoft.com/­services/­synapse-analyticssurrealdb.com
Technical documentationdocs.aws.amazon.com/­redshifttechfort.github.io/­LokiJSlearn.microsoft.com/­en-us/­azure/­searchdocs.microsoft.com/­azure/­synapse-analyticssurrealdb.com/­docs
DeveloperAmazon (based on PostgreSQL)MicrosoftMicrosoftSurrealDB Ltd
Initial release20122014201520162022
Current releaseV1v1.5.0, May 2024
License infoCommercial or Open SourcecommercialOpen SourcecommercialcommercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnoyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCJavaScriptC++Rust
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)hostedhostedLinux
macOS
Windows
Data schemeyesschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesnoyesyesyes
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.nononono
Secondary indexesrestrictedyes infovia viewsyesyes
SQL infoSupport of SQLyes infodoes not fully support an SQL-standardnonoyesSQL-like query language
APIs and other access methodsJDBC
ODBC
JavaScript APIRESTful HTTP APIADO.NET
JDBC
ODBC
GraphQL
RESTful HTTP API
WebSocket
Supported programming languagesAll languages supporting JDBC/ODBCJavaScriptC#
Java
JavaScript
Python
C#
Java
PHP
Deno
Go
JavaScript (Node.js)
Rust
Server-side scripts infoStored proceduresuser defined functions infoin PythonView functions in JavaScriptnoTransact SQL
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding infoImplicit feature of the cloud serviceSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneyes infoImplicit feature of the cloud serviceyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes infoinformational only, not enforced by the systemnonono infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraints
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possiblenoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardnoyes infousing Azure authenticationyesyes, based on authentication and database rules

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More resources
Amazon RedshiftLokiJSMicrosoft Azure AI SearchMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehouseSurrealDB
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