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DBMS > Amazon CloudSearch vs. Coveo vs. dBASE vs. EsgynDB

System Properties Comparison Amazon CloudSearch vs. Coveo vs. dBASE vs. EsgynDB

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonCoveo  Xexclude from comparisondBASE  Xexclude from comparisonEsgynDB  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentdBase was one of the first databases with a development environment on PC's. Its latest version dBase V is still sold as dBase classic, which needs a DOS Emulation. The up-to-date product is dBase plus.Enterprise-class SQL-on-Hadoop solution, powered by Apache Trafodion
Primary database modelSearch engineSearch engineRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.85
Rank#137  Overall
#12  Search engines
Score2.28
Rank#114  Overall
#11  Search engines
Score10.34
Rank#44  Overall
#28  Relational DBMS
Score0.16
Rank#329  Overall
#146  Relational DBMS
Websiteaws.amazon.com/­cloudsearchwww.coveo.comwww.dbase.comwww.esgyn.cn
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.coveo.comwww.dbase.com/­support/­knowledgebase
DeveloperAmazonCoveoAsthon TateEsgyn
Initial release2012201219792015
Current releasedBASE 2019, 2019
License infoCommercial or Open Sourcecommercialcommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++, Java
Server operating systemshostedhostedDOS infodBase Classic
Windows infodBase Pro
Linux
Data schemeyeshybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyes infoall search fields are automatically indexedyesyesyes
SQL infoSupport of SQLnononoyes
APIs and other access methodsHTTP APIRESTful HTTP APInone infoThe IDE can access other DBMS or ODBC-sources.ADO.NET
JDBC
ODBC
Supported programming languagesC#
Java
JavaScript
Python
dBase proprietary IDEAll languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnonono infoThe IDE can access stored procedures in other database systems.Java Stored Procedures
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredyesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyesnoneMulti-source replication between multi datacenters
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesno infonot for dBase internal data, but IDE does support transactions when accessing external DBMSACID
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.no
User concepts infoAccess controlauthentication via encrypted signaturesgranular access controls, API key management, content filtersAccess rights for users and rolesfine grained access rights according to SQL-standard

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More resources
Amazon CloudSearchCoveodBASEEsgynDB
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