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DBMS > Memcached vs. OpenEdge vs. TempoIQ vs. TimescaleDB

System Properties Comparison Memcached vs. OpenEdge vs. TempoIQ vs. TimescaleDB

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonOpenEdge  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparisonTimescaleDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionIn-memory key-value store, originally intended for cachingApplication development environment with integrated database management systemScalable analytics DBMS for sensor data, provided as a service (SaaS)A time series DBMS optimized for fast ingest and complex queries, based on PostgreSQL
Primary database modelKey-value storeRelational DBMSTime Series DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.08
Rank#32  Overall
#4  Key-value stores
Score3.45
Rank#85  Overall
#46  Relational DBMS
Score4.46
Rank#71  Overall
#5  Time Series DBMS
Websitewww.memcached.orgwww.progress.com/­openedgetempoiq.com (offline)www.timescale.com
Technical documentationgithub.com/­memcached/­memcached/­wikidocumentation.progress.com/­output/­ua/­OpenEdge_latestdocs.timescale.com
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalProgress Software CorporationTempoIQTimescale
Initial release2003198420122017
Current release1.6.27, May 2024OpenEdge 12.2, March 20202.15.0, May 2024
License infoCommercial or Open SourceOpen Source infoBSD licensecommercialcommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonoyesno
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
AIX
HP-UX
Linux
Solaris
Windows
Linux
OS X
Windows
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenoyesyesnumerics, strings, booleans, arrays, JSON blobs, geospatial dimensions, currencies, binary data, other complex data types
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.yesnoyes
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyes infoclose to SQL 92noyes infofull PostgreSQL SQL syntax
APIs and other access methodsProprietary protocolJDBC
ODBC
HTTP APIADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Progress proprietary ABL (Advanced Business Language)C#
Java
JavaScript infoNode.js
Python
Ruby
.Net
C
C++
Delphi
Java infoJDBC
JavaScript
Perl
PHP
Python
R
Ruby
Scheme
Tcl
Server-side scripts infoStored proceduresnoyesnouser defined functions, PL/pgSQL, PL/Tcl, PL/Perl, PL/Python, PL/Java, PL/PHP, PL/R, PL/Ruby, PL/Scheme, PL/Unix shell
Triggersnoyesyes infoRealtime Alertsyes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning infosince Version 11.4yes, across time and space (hash partitioning) attributes
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationSource-replica replication with hot standby and reads on replicas info
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.nonono
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolUsers and groupssimple authentication-based access controlfine grained access rights according to SQL-standard

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More resources
MemcachedOpenEdgeTempoIQ infoformerly TempoDBTimescaleDB
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