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DBMS > Coveo vs. Derby vs. H2 vs. TDSQL for MySQL

System Properties Comparison Coveo vs. Derby vs. H2 vs. TDSQL for MySQL

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NameCoveo  Xexclude from comparisonDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDB  Xexclude from comparisonH2  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparison
DescriptionAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.
Primary database modelSearch engineRelational DBMSRelational DBMSRelational DBMS
Secondary database modelsSpatial DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.28
Rank#114  Overall
#11  Search engines
Score4.71
Rank#69  Overall
#37  Relational DBMS
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score0.85
Rank#205  Overall
#95  Relational DBMS
Websitewww.coveo.comdb.apache.org/­derbywww.h2database.comwww.tencentcloud.com/­products/­dcdb
Technical documentationdocs.coveo.comdb.apache.org/­derby/­manuals/­index.htmlwww.h2database.com/­html/­main.htmlwww.tencentcloud.com/­document/­product/­1042
DeveloperCoveoApache Software FoundationThomas MuellerTencent
Initial release2012199720052013
Current release10.17.1.0, November 20232.2.220, July 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2Open Source infodual-licence (Mozilla public license, Eclipse public license)commercial
Cloud-based only infoOnly available as a cloud serviceyesnonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava
Server operating systemshostedAll OS with a Java VMAll OS with a Java VMhosted
Data schemehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesyesyes
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.noyesnono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoyesyesyes
APIs and other access methodsRESTful HTTP APIJDBCJDBC
ODBC
JDBC
ODBC
Supported programming languagesC#
Java
JavaScript
Python
JavaJavaC
C#
C++
Java
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoJava Stored ProceduresJava Stored Procedures and User-Defined Functionsyes
Triggersyesyesyesyes
Partitioning methods infoMethods for storing different data on different nodesyesnonenoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationWith clustering: 2 database servers on different computers operate on identical copies of a databaseMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
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.yesyesno
User concepts infoAccess controlgranular access controls, API key management, content filtersfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardUsers with fine-grained authorization concept

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More resources
CoveoDerby infooften called Apache Derby, originally IBM Cloudscape; contained in the Java SDK as JavaDBH2TDSQL for MySQL
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