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DBMS > Memgraph vs. Microsoft Access vs. OpenTSDB vs. PostgreSQL

System Properties Comparison Memgraph vs. Microsoft Access vs. OpenTSDB vs. PostgreSQL

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Editorial information provided by DB-Engines
NameMemgraph  Xexclude from comparisonMicrosoft Access  Xexclude from comparisonOpenTSDB  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionA hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleMicrosoft Access combines a backend RDBMS (JET / ACE Engine) with a GUI frontend for data manipulation and queries. infoThe Access frontend is often used for accessing other datasources (DBMS, Excel, etc.)Scalable Time Series DBMS based on HBaseWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelGraph DBMSRelational DBMSTime Series DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#292  Overall
#26  Graph DBMS
Score118.45
Rank#11  Overall
#7  Relational DBMS
Score2.30
Rank#118  Overall
#7  Time Series DBMS
Score542.29
Rank#4  Overall
#4  Relational DBMS
Websitememgraph.comwww.microsoft.com/­en-us/­microsoft-365/­accessopentsdb.netwww.postgresql.org
Technical documentationdocs.memgraph.comdeveloper.microsoft.com/­en-us/­accessopentsdb.net/­docs/­build/­html/­index.htmlwww.postgresql.org/­docs/­manuals
DeveloperMemgraph LtdMicrosoftcurrently maintained by Yahoo and other contributorsPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release2017199220111989 info1989: Postgres, 1996: PostgreSQL
Current release1902 (16.0.11328.20222), March 201912.4, August 2020
License infoCommercial or Open Sourcecommercial infoFree license availablecommercial infoBundled with Microsoft OfficeOpen Source infoLGPLOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C++JavaC
Server operating systemsLinuxWindows infoNot a real database server, but making use of DLLsLinux
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-free and schema-optionalyesschema-freeyes
Typing infopredefined data types such as float or dateyesyesnumeric data for metrics, strings for tagsyes
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.nonoyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesnoyes
SQL infoSupport of SQLnoyes infobut not compliant to any SQL standardnoyes infostandard with numerous extensions
APIs and other access methodsBolt protocol
Cypher query language
ADO.NET
DAO
ODBC
OLE DB
HTTP API
Telnet API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
C
C#
C++
Delphi
Java (JDBC-ODBC)
VBA
Visual Basic.NET
Erlang
Go
Java
Python
R
Ruby
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyes infosince Access 2010 using the ACE-enginenouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyes infosince Access 2010 using the ACE-enginenoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infodynamic graph partitioningnoneSharding infobased on HBasepartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication using RAFTnoneselectable replication factor infobased on HBaseSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integrityyes inforelationships in graphsyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infowith snapshot isolationACID infobut no files for transaction loggingnoACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyesyes
Durability infoSupport for making data persistentyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes infobut no files for transaction loggingyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlUsers, roles and permissionsno infoa simple user-level security was built in till version Access 2003nofine grained access rights according to SQL-standard

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More resources
MemgraphMicrosoft AccessOpenTSDBPostgreSQL
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