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DBMS > Memcached vs. NuoDB vs. SAP Advantage Database Server vs. YDB

System Properties Comparison Memcached vs. NuoDB vs. SAP Advantage Database Server vs. YDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonNuoDB  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonYDB  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionIn-memory key-value store, originally intended for cachingNuoDB is a webscale distributed database that supports SQL and ACID transactionsLow-cost RDBMS with access to ISAM and FoxPro data structuresA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelKey-value storeRelational DBMSRelational DBMSDocument store
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score16.84
Rank#32  Overall
#4  Key-value stores
Score0.87
Rank#201  Overall
#94  Relational DBMS
Score0.39
Rank#269  Overall
#43  Document stores
#126  Relational DBMS
Websitewww.memcached.orgwww.3ds.com/­nuodb-distributed-sql-databasewww.sap.com/products/advantage-database-server.htmlgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationgithub.com/­memcached/­memcached/­wikidoc.nuodb.comydb.tech/­en/­docs
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalDassault Systèmes infooriginally NuoDB, Inc.Sybase, SAPYandex
Initial release2003201319932019
Current release1.6.29, June 2024
License infoCommercial or Open SourceOpen Source infoBSD licensecommercial infolimited edition freecommercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
Windows
Linux
Data schemeschema-freeyesyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or datenoyesyesyes
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.nonono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLnoyesyesSQL-like query language (YQL)
APIs and other access methodsProprietary protocolADO.NET
JDBC
ODBC
.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
RESTful HTTP API (DynamoDB compatible)
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Delphi
Perl
PHP
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresnoJava, SQLyesno
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnonedata is dynamically stored/cached on the nodes where it is read/writtennoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyes infoManaged transparently by NuoDBMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
Active-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infotunable commit protocolACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
Durability infoSupport for making data persistentnoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoTemporary tableno infocaching of (temporary) tables can be configuredno
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolStandard SQL roles/ privileges, Administrative Usersfine grained access rights according to SQL-standardAccess rights defined for Yandex Cloud users

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More resources
MemcachedNuoDBSAP Advantage Database Server infoformer name: Sybase ADSYDB
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