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DBMS > Apache Impala vs. SAP IQ vs. searchxml vs. YDB

System Properties Comparison Apache Impala vs. SAP IQ vs. searchxml vs. YDB

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Editorial information provided by DB-Engines
NameApache Impala  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonsearchxml  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionAnalytic DBMS for HadoopColumnar RDBMS optimized for Big Data analyticsDBMS for structured and unstructured content wrapped with an application serverA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelRelational DBMSRelational DBMS infocolumn-orientedNative XML DBMS
Search engine
Document store
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.77
Rank#40  Overall
#24  Relational DBMS
Score2.75
Rank#104  Overall
#53  Relational DBMS
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Websiteimpala.apache.orgwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.searchxml.net/­category/­productsgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationimpala.apache.org/­impala-docs.htmlhelp.sap.com/­docs/­SAP_IQwww.searchxml.net/­support/­handoutsydb.tech/­en/­docs
DeveloperApache Software Foundation infoApache top-level project, originally developed by ClouderaSAP, formerly Sybaseinformationpartners gmbhYandex
Initial release2013199420152019
Current release4.1.0, June 202216.1 SPS04, April 20191.0
License infoCommercial or Open SourceOpen Source infoApache Version 2commercialcommercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++
Server operating systemsLinuxAIX
HP-UX
Linux
Solaris
Windows
WindowsLinux
Data schemeyesyesschema-freeFlexible Schema (defined schema, partial schema, schema free)
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.nonoyesno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLSQL-like DML and DDL statementsyesnoSQL-like query language (YQL)
APIs and other access methodsJDBC
ODBC
ADO.NET
JDBC
ODBC
RESTful HTTP API
RESTful HTTP API
WebDAV
XQuery
XSLT
RESTful HTTP API (DynamoDB compatible)
Supported programming languagesAll languages supporting JDBC/ODBCC
C#
C++
Java
Perl
PHP
Python
Ruby
C++ infomost other programming languages supported via APIsGo
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reduceyesyes infoon the application serverno
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesShardingshared disk or shared nothing architectures with SAP IQ MultiplexernoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factorSAP/Sybase Replication Serveryes infosychronisation to multiple collectionsActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReduceHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDmultiple readers, single writerACID
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.nononono
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosfine grained access rights according to SQL-standardDomain, group and role-based access control at the document level and for application servicesAccess rights defined for Yandex Cloud users

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More resources
Apache ImpalaSAP IQ infoformer name: Sybase IQsearchxmlYDB
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