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Neo4j
Neo4j

481
384
+ 1
276
VoltDB
VoltDB

8
16
+ 1
16
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Neo4j vs VoltDB: What are the differences?

Neo4j: The world’s leading Graph Database. Neo4j stores data in nodes connected by directed, typed relationships with properties on both, also known as a Property Graph. It is a high performance graph store with all the features expected of a mature and robust database, like a friendly query language and ACID transactions; VoltDB: In-memory relational DBMS capable of supporting millions of database operations per second. VoltDB is a fundamental redesign of the RDBMS that provides unparalleled performance and scalability on bare-metal, virtualized and cloud infrastructures. VoltDB is a modern in-memory architecture that supports both SQL + Java with data durability and fault tolerance.

Neo4j can be classified as a tool in the "Graph Databases" category, while VoltDB is grouped under "In-Memory Databases".

Some of the features offered by Neo4j are:

  • intuitive, using a graph model for data representation
  • reliable, with full ACID transactions
  • durable and fast, using a custom disk-based, native storage engine

On the other hand, VoltDB provides the following key features:

  • In-Memory Performance with On-Disk Durability
  • Transparent Scalability with Data Consistency
  • NewSQL – All the benefits of SQL with Unlimited Scalability

"Cypher – graph query language" is the top reason why over 55 developers like Neo4j, while over 4 developers mention "SQL + Java" as the leading cause for choosing VoltDB.

Neo4j is an open source tool with 6.56K GitHub stars and 1.62K GitHub forks. Here's a link to Neo4j's open source repository on GitHub.

- No public GitHub repository available -

What is Neo4j?

Neo4j stores data in nodes connected by directed, typed relationships with properties on both, also known as a Property Graph. It is a high performance graph store with all the features expected of a mature and robust database, like a friendly query language and ACID transactions.

What is VoltDB?

VoltDB is a fundamental redesign of the RDBMS that provides unparalleled performance and scalability on bare-metal, virtualized and cloud infrastructures. VoltDB is a modern in-memory architecture that supports both SQL + Java with data durability and fault tolerance.
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      What are some alternatives to Neo4j and VoltDB?
      Titan
      Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. Titan is a transactional database that can support thousands of concurrent users executing complex graph traversals in real time.
      MongoDB
      MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema. MongoDB was also designed for high availability and scalability, with built-in replication and auto-sharding.
      Cassandra
      Partitioning means that Cassandra can distribute your data across multiple machines in an application-transparent matter. Cassandra will automatically repartition as machines are added and removed from the cluster. Row store means that like relational databases, Cassandra organizes data by rows and columns. The Cassandra Query Language (CQL) is a close relative of SQL.
      OrientDB
      It is an open source NoSQL database management system written in Java. It is a Multi-model database, supporting graph, document, key/value, and object models, but the relationships are managed as in graph databases with direct connections between records.
      JanusGraph
      It is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. It is a transactional database that can support thousands of concurrent users executing complex graph traversals in real time.
      See all alternatives
      Decisions about Neo4j and VoltDB
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      Interest over time
      Reviews of Neo4j and VoltDB
      Avatar of maxsumrall
      Software Engineer at Picnic
      Review ofNeo4jNeo4j

      Neo4j is a great graph database, but it's also a great tool for any application in general. The data model is easy to figure out and is flexible to use as your application changes in the early stages. Further, there are constraints you can add to get data consistency once you have a firm data model. The built in admin tool makes it easy to review the data, see how your application is being used, and has a great query plan visualizer for when you want to optimize for performance.

      How developers use Neo4j and VoltDB
      Avatar of King's Digital Lab
      King's Digital Lab uses Neo4jNeo4j

      Graph database

      To be evaluated

      • + Leading Graph DB provider, large community
      • + Rich querying language
      • + Tools to visualise and interact visually with results

      Possible alternative to triple store.

      Questions:

      • does it support full text search?
      • does it support some sort of inference or derived relationships (e.g. transitivity, symmetry)?

      - does it support faceted search?

      Avatar of Christopher Davison
      Christopher Davison uses Neo4jNeo4j

      Used for the Knowledge and Social graph databases

      Avatar of Walter
      Walter uses Neo4jNeo4j

      Social graph; introductions.

      Avatar of Nough You
      Nough You uses Neo4jNeo4j

      Studying relationships

      Avatar of Minyoung Kim
      Minyoung Kim uses Neo4jNeo4j

      사용자 팔로잉 관계 데이터 저장

      How much does Neo4j cost?
      How much does VoltDB cost?
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