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DBMS > AlaSQL vs. Coveo vs. CrateDB vs. H2 vs. MaxDB

System Properties Comparison AlaSQL vs. Coveo vs. CrateDB vs. H2 vs. MaxDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonCoveo  Xexclude from comparisonCrateDB  Xexclude from comparisonH2  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparison
DescriptionJavaScript DBMS libraryAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentDistributed Database based on LuceneFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A robust and reliable RDBMS optimized to run all major SAP solutions
Primary database modelDocument store
Relational DBMS
Search engineDocument store
Spatial DBMS
Search engine
Time Series DBMS
Vector DBMS
Relational DBMSRelational DBMS
Secondary database modelsRelational DBMSSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.42
Rank#264  Overall
#42  Document stores
#122  Relational DBMS
Score2.14
Rank#116  Overall
#11  Search engines
Score0.69
Rank#226  Overall
#37  Document stores
#5  Spatial DBMS
#16  Search engines
#19  Time Series DBMS
#11  Vector DBMS
Score7.57
Rank#47  Overall
#30  Relational DBMS
Score2.15
Rank#115  Overall
#55  Relational DBMS
Websitealasql.orgwww.coveo.comcratedb.comwww.h2database.commaxdb.sap.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.coveo.comcratedb.com/­docswww.h2database.com/­html/­main.htmlmaxdb.sap.com/­documentation
DeveloperAndrey Gershun & Mathias R. WulffCoveoCrateThomas MuellerSAP, acquired from Software AG (Adabas-D) in 1997
Initial release20142012201320051984
Current release5.8.1, August 20242.2.220, July 20237.9.10.12, February 2024
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen SourceOpen Source infodual-licence (Mozilla public license, Eclipse public license)commercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaJavaC++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAll Operating Systems, including Kubernetes with CrateDB Kubernetes Operator supportAll OS with a Java VMAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationFlexible Schema (defined schema, partial schema, schema free)yesyes
Typing infopredefined data types such as float or datenoyesyesyesyes
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.nonononono
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyes, but no triggers and constraints, and PostgreSQL compatibilityyesyes
APIs and other access methodsJavaScript APIRESTful HTTP APIADO.NET
JDBC
ODBC
PostgreSQL wire protocol
Prometheus Remote Read/Write
RESTful HTTP API
JDBC
ODBC
ADO.NET
JDBC
ODBC
WebDAV
Supported programming languagesJavaScriptC#
Java
JavaScript
Python
.NET
Erlang
Go infocommunity maintained client
Java
JavaScript (Node.js) infocommunity maintained client
Perl infocommunity maintained client
PHP
Python
R
Ruby infocommunity maintained client
Scala infocommunity maintained client
Java.Net
C#
Java
Perl
PHP
Python
Server-side scripts infoStored proceduresnonouser defined functions (Javascript)Java Stored Procedures and User-Defined Functionsyes
Triggersyesyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesConfigurable replication on table/partition-levelWith clustering: 2 database servers on different computers operate on identical copies of a databaseSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency
Read-after-write consistency on record level
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageyesno infounique row identifiers can be used for implementing an optimistic concurrency control strategyACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesno
User concepts infoAccess controlnogranular access controls, API key management, content filtersrights management via user accountsfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
AlaSQLCoveoCrateDBH2MaxDB infoformerly named Adabas-D
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