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DBMS > Couchbase vs. Impala vs. Microsoft SQL Server

System Properties Comparison Couchbase vs. Impala vs. Microsoft SQL Server

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonImpala  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceAnalytic DBMS for HadoopMicrosofts relational DBMS
Primary database modelDocument storeRelational DBMSRelational DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocolDocument storeDocument store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score32.21
Rank#23  Overall
#3  Document stores
Score14.57
Rank#37  Overall
#23  Relational DBMS
Score1094.72
Rank#3  Overall
#3  Relational DBMS
Websitewww.couchbase.comwww.cloudera.com/­products/­open-source/­apache-hadoop/­impala.htmlwww.microsoft.com/­en-us/­sql-server
Technical documentationdocs.couchbase.comwww.cloudera.com/­documentation/­enterprise/­latest/­topics/­impala.htmldocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentation
DeveloperCouchbase, Inc.ClouderaMicrosoft
Initial release201120131989
Current releaseServer: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 20193.3.0, August 2019SQL Server 2017, October 2017
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoApache Version 2commercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC, C++, Go and ErlangC++C++
Server operating systemsLinux
OS X
Windows
LinuxLinux
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infoString, Boolean, Numberyesyes
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.noyes
Secondary indexesyesyesyes
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.SQL-like DML and DDL statementsyes
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIsJDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
ADO.NET
JDBC
ODBC
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
All languages supporting JDBC/ODBCC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptyes infouser defined functions and integration of map-reduceTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
Triggersyes infovia the TAP protocolnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingtables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoincluding cross data center replication
Master-slave replication
selectable replication factoryes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoquery execution via MapReduceno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle-document ACID transactionsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsnoyes
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated AuthenticationAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosfine grained access rights according to SQL-standard
More information provided by the system vendor
Couchbase infoOriginally called MembaseImpalaMicrosoft SQL Server
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Couchbase infoOriginally called MembaseImpalaMicrosoft SQL Server
DB-Engines blog posts

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Conferences and events

PASS Summit 2019
Seattle, Washington, USA, 5-8 November 2019

Recent citations in the news

Couchbase Server 6.5 improves NoSQL database queries
8 October 2019, TechTarget

Couchbase to Sponsor and Exhibit at Red Hat Forums across Europe and Australia
15 October 2019, Yahoo Finance

Couchbase reveals its latest SQL release
2 October 2019, DevOps Online

68 Percent of Digital Architects Say Getting the Right Technology in Place for Transformation an “Insurmountable” Task, Couchbase Research Finds
15 October 2019, GlobeNewswire

Software architects struggle with relational database legacy
15 October 2019, ComputerWeekly.com

provided by Google News

Cloudera Boosts Hadoop App Development On Impala
10 November 2014, InformationWeek

Cloudera's a data warehouse player now
28 August 2018, ZDNet

Cloudera says Impala is faster than Hive, which isn't saying much
13 January 2014, GigaOM

Apache Impala gets top-level status as open source Hadoop tool
1 December 2017, TechTarget

Cloudera’s Impala brings Hadoop to SQL and BI
25 October 2012, ZDNet

provided by Google News

Boffins link backdoor in SQL Server to Chinese APT hackers
22 October 2019, The INQUIRER

Winnti Group's skip‑2.0: A Microsoft SQL Server backdoor
21 October 2019, We Live Security

Microsoft Expands IoT And Edge Computing Portfolio With Windows And SQL Server
16 October 2019, Forbes

SQL Server takes a turn towards Kubernetes and big data
30 September 2019, TechRepublic

Like Visual Studio Code and your data lives in SQL Server? Microsoft has something for you
18 October 2019, The Register

provided by Google News

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