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📝 #31: Remove Objectivity/DB and InfiniteGraph
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‎docs/data-processing/nosql/graph-db.rst‎

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Typische Graphdatenbanken sind Neo4j, OrientDB InfiniteGraph und ArangoDB.
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Home** | `Neo4j`_ | `OrientDB`_ | `InfiniteGraph`_ | `ArangoDB`_ |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **GitHub** | `neo4j/neo4j`_ | `orientechnologies/orientdb`_ | | `arangodb/arangodb`_ |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Docs** | `neo4j.com/docs/`_ | `orientdb.org/docs/`_ | `InfiniteGraph Tutorials`_ | `docs.arangodb.com`_ |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Anwendungsgebiete** | CMS, Soziale Netzwerke, | Stammdatenverwaltung, soziale | Erweiterung von | Fraud Detection, IoT, |
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| | GIS-Systeme, ERP, … | Netzwerke, `Time Series`_, | Objectivity/DB-Installationen | Identitätsmanagement, |
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| | | `Key Value`_, | | E-Commerce, Netzwerk, Logistik,|
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| | | Verkehrsmanagement | | CMS |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Entwicklungssprache**| Java | Java | Java | C++, JavaScript |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Lizenzen** | AGPL u. kommerziell | Apache License 2.0 | kommerziell | Apache License 2.0 |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Datenmodell** | :term:`Property-Graph-Modell` | Multi-Model | :term:`Property-Graph-Modell` | Multi-Model: Dokumente, Graphen|
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| | | | | und :term:`Schlüssel/Wert-Paar`|
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Query-Language** | REST, `Cypher`_, `Gremlin`_ | `Extended SQL`_, `Gremlin`_ | Traverser API, PQL |`ArangoDB Query Language (AQL)`_|
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Transaktionen, | * :term:`Two-phase locking | :term:`ACID` | :term:`ACID` | :term:`ACID`, |
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| Nebenläufigkeit** | (2PL)`, | | | :term:`MVCC – Multiversion |
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| | * einzelner Server: | | | Concurrency Control` |
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| | :term:`ACID`, | | | |
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| | * verteilte Systeme: | | | |
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| | :term:`BASE` | | | |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Replikation, | Master-Slave mit Master | Multi-Master-Replikation, | Objectivity/DB, | Master-Slave-Replikation, |
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| Skalierung** | Failover | Sharding | keine | Sharding |
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| | | | :term:`Graphpartitionierung` | |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Anmerkungen** | | | InfiniteGraph ist eine, auf | |
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| | | | dem :doc:`object-db` | |
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| | | | Objectivity/DB aufsetzende | |
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| | | | Graphdatenbank, wobei die | |
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| | | | Objekte durch Kanten verbunden | |
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| | | | werden. Hierbei sind auch | |
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| | | | mehrfache und bidirektionale | |
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| | | | Kanten erlaubt. | |
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| | | | | |
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| | | | Iteratoren entsprechen dem | |
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| | | | :term:`Graph traversal`. | |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+--------------------------------+
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Home** | `Neo4j`_ | `OrientDB`_ | `ArangoDB`_ |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **GitHub** | `neo4j/neo4j`_ | `orientechnologies/orientdb`_ | `arangodb/arangodb`_ |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Docs** | `neo4j.com/docs/`_ | `orientdb.org/docs/`_ | `docs.arangodb.com`_ |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Anwendungsgebiete** | CMS, Soziale Netzwerke, | Stammdatenverwaltung, soziale | Fraud Detection, IoT, |
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| | GIS-Systeme, ERP, … | Netzwerke, `Time Series`_, | Identitätsmanagement, |
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| | | `Key Value`_, | E-Commerce, Netzwerk, Logistik,|
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| | | Verkehrsmanagement | CMS |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Entwicklungssprache**| Java | Java | C++, JavaScript |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Lizenzen** | AGPL u. kommerziell | Apache License 2.0 | Apache License 2.0 |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Datenmodell** | :term:`Property-Graph-Modell` | Multi-Model | Multi-Model: Dokumente, Graphen|
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| | | | und :term:`Schlüssel/Wert-Paar`|
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Query-Language** | REST, `Cypher`_, `Gremlin`_ | `Extended SQL`_, `Gremlin`_ |`ArangoDB Query Language (AQL)`_|
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Transaktionen, | * :term:`Two-phase locking | :term:`ACID` | :term:`ACID`, |
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| Nebenläufigkeit** | (2PL)`, | | :term:`MVCC – Multiversion |
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| | * einzelner Server: | | Concurrency Control` |
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| | :term:`ACID`, | | |
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| | * verteilte Systeme: | | |
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| | :term:`BASE` | | |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Replikation, | Master-Slave mit Master | Multi-Master-Replikation, | Master-Slave-Replikation, |
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| Skalierung** | Failover | Sharding | Sharding |
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| | | | |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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| **Anmerkungen** | | | |
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| | | | |
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| | | | |
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| | | | |
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| | | | |
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| | | | |
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| | | | |
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+------------------------+--------------------------------+--------------------------------+--------------------------------+
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.. seealso::
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* `Apache TinkerPop Home <https://tinkerpop.apache.org/>`_
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.. _`Neo4j`: https://neo4j.com
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.. _`OrientDB`: https://orientdb.org/
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.. _`InfiniteGraph`: https://web.archive.org/web/20230524090143/https://objectivity.com/infinitegraph/
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.. _`neo4j/neo4j`: https://github.com/neo4j/neo4j
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.. _`ArangoDB`: https://arangodb.com
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.. _`orientechnologies/orientdb`: https://github.com/orientechnologies/orientdb
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.. _`Key Value`: https://orientdb.org/docs//2.0/orientdb.wiki/Key-Value-use-case.html
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.. _`neo4j.com/docs/`: https://neo4j.com/docs/
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.. _`orientdb.org/docs/`: https://orientdb.org/docs/
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.. _`InfiniteGraph Tutorials`:
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https://web.archive.org/web/20151008140630/http://www.objectivity.com/products/infinitegraph/infinitegraph-tutorials/
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.. _`docs.arangodb.com`: https://docs.arangodb.com/stable/
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.. _`Extended SQL`: https://orientdb.org/docs/2.2.x/SQL.html
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.. _`Cypher`: https://neo4j.com/docs/1.4/cypher-query-lang.html

‎docs/data-processing/nosql/object-db.rst‎

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Datenbanksysteme
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----------------
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Beispiele für Objektdatenbanksysteme sind ZODB und Objectivity/DB.
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Ein Beispiel für Objektdatenbanksysteme ist die ZODB.
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+------------------------+----------------------------------------+----------------------------------------+
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| **Home** | `ZODB`_ | `Objectivity/DB`_ |
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+------------------------+----------------------------------------+----------------------------------------+
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| **GitHub** | `zopefoundation/ZODB`_ | |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Docs** | `zodb.org/en/latest/tutorial.html`_ | `Objectivity/DB Basics Tutorial`_ |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Anwendungsgebiete** | Plone, Pyramid, BTrees, volatile Daten | IoT, Telekommunikation, Netzwerktechnik|
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+------------------------+----------------------------------------+----------------------------------------+
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| **Entwicklungssprache**| Python | Java |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Lizenzen** | Zope Public License (ZPL) 2.1 | kommerziell |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Datenmodell** | PersistentList, PersistentMapping, | Objects, References, Relationships, |
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| | BTree | Indexes, Trees und Collections |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Query-Language** | | Objectivity/DB predicate query language|
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+------------------------+----------------------------------------+----------------------------------------+
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| **Transaktionen, | :term:`ACID` | :term:`ACID` |
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| Nebenläufigkeit** | | |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Replikation, | `ZODB Replication Services (ZRS)`_ | Quorum basierte synchrone Replikation |
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| Skalierung** | | |
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+------------------------+----------------------------------------+----------------------------------------+
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| **Anmerkungen** | | |
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+------------------------+----------------------------------------+----------------------------------------+
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+------------------------+----------------------------------------+
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| **Home** | `ZODB`_ |
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+------------------------+----------------------------------------+
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| **GitHub** | `zopefoundation/ZODB`_ |
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+------------------------+----------------------------------------+
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| **Docs** | `zodb.org/en/latest/tutorial.html`_ |
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+------------------------+----------------------------------------+
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| **Anwendungsgebiete** | Plone, Pyramid, BTrees, volatile Daten |
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+------------------------+----------------------------------------+
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| **Entwicklungssprache**| Python |
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+------------------------+----------------------------------------+
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| **Lizenzen** | Zope Public License (ZPL) 2.1 |
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+------------------------+----------------------------------------+
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| **Datenmodell** | PersistentList, PersistentMapping, |
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| | BTree |
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+------------------------+----------------------------------------+
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| **Query-Language** | |
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+------------------------+----------------------------------------+
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| **Transaktionen, | :term:`ACID` |
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| Nebenläufigkeit** | |
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+------------------------+----------------------------------------+
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| **Replikation, | `ZODB Replication Services (ZRS)`_ |
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| Skalierung** | |
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+------------------------+----------------------------------------+
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| **Anmerkungen** | |
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+------------------------+----------------------------------------+
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.. _`ZODB`: https://zodb.org/en/latest/
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.. _`Objectivity/DB`:
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https://web.archive.org/web/20210119045523/https://www.objectivity.com/products/objectivitydb/
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.. _`Objectivity/DB Basics Tutorial`:
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https://web.archive.org/web/20230402001525/https://support.objectivity.com/sites/default/files/docs/objy/R12_4_1/html/assist/tutorial/Tutorial.html
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.. _`zopefoundation/ZODB`: https://github.com/zopefoundation/ZODB
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.. _`zodb.org/en/latest/tutorial.html`: https://zodb.org/en/latest/tutorial.html
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.. _`ZODB Replication Services (ZRS)`: https://pypi.org/project/zc.zrs/

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