1. Neo4j：
Neo4j是最著名的图形数据库管理系统，它也是Neo4j，Inc.开发的NoSQL数据库系统。它与Mysql或MongoDB不同，因为它具有使其功能与其他数据库管理系统相比特别的特点。 Neo4j还以图表形式存储和显示数据，而不是以表格格式或Jason格式。在这种情况下，整个数据由节点表示，您可以在节点之间创建关系，这意味着整个数据库集合将看起来像一个图形，这使得Neo4j在其他数据库管理系统中独树一帜。
2. MySQL：
它是基于结构化查询语言(SQL)的关系数据库管理系统(RDBMS)。它是由oracle公司开发和管理的基于开放的数据库管理，于1995年5月23日首次发布。它被广泛地用于许多小型和大型工业应用程序中，并且能够处理大量数据。
Neo4j和MySQL之间的区别：
| S.No. | Neo4j | MySQL |
|---|---|---|
| 1. | It was developed by Neo4j, Inc. | It was developed by Oracle. |
| 2. | It was initially released in 2007. | It was initially released on May 1995. |
| 3. | It is written using Java and Scala language. | It is developed in C and C++ languages. |
| 4. | Neo4j server operating systems are Linux, OS X, Solaris, and Windows. | Its server operating systems are Free BSD, Linux, OS X, Solaris and Windows. |
| 5. | It provides us with Causal and Eventual Consistency configurable in Causal Cluster setup and Immediate Consistency in stand-alone mode. | It provides us with Immediate Consistency method to ensure consistency in a distributed system. |
| 6. | Neo4j APIs and other access methods includes Bolt protocol, Cypher query language, Java API, Neo4j-OGM, RESTful HTTP, API, Spring Data Neo4j, TinkerPop 3. | APIs and other access methods include ADO.NET, JDBC, ODBC, Proprietary native API. |
| 7. | It does not support SQL. | It supports SQL. |
| 8. | Its primary database model is is Graph DBMS. | Its primary database model is Relational DBMS. |
| 9. | Neo4j supports programming languages which are .Net, Clojure, Elixir, Go, Groovy, Haskell, Java, JavaScript, Perl, PHP, Python, Ruby and Scala. | It supports Ada, C, C#, C++, D, Delphi, Eiffel, Erlang, Haskell, Java, JavaScript (Node.js), Objective-C, OCaml, Perl, PHP, Python, Ruby, Scheme, Tcl programming language. |
| 10. | It does not supports Partitioning methods. | It supports horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric. |