1.甲骨文：
Oracle是一个关系数据库管理系统(RDBMS)。它由Oracle Corporation在1980年开发。它是第一个为网格计算而设计的数据库，它提供了最灵活，最具成本效益的方式来管理信息和应用程序。它可以在Windows，Unix，Linux和macOS等主要平台上运行。它是一个关系数据库，用户可以通过该数据库通过应用程序或称为SQL的查询语言来访问数据。
2. MySQL：
MySQL是基于结构化查询语言(SQL)的开源关系数据库管理系统(RDBMS)。它可以在Linux，UNIX和Windows等平台上运行。
Oracle和MySQL之间的区别：
| S.NO. | Oracle | MySQL | |||
|---|---|---|---|---|---|
| 1. | It is developed By Oracle in 1980. | It is developed By Oracle in 1995. | |||
| 2. | It is commercial. | It is Open Source. | |||
| 3. | Server operating systems for Oracle is AIX, HP-UX, Linux, OS X, Solaris, Windows, z/OS. | Server operating systems for MySQL is FreeBSD, Linux, OS X, Solaris, Windows. | |||
| 4. | Its Primary database model is a Relational DBMS. | Its primary database model is also Relational DBMS. | |||
| 5. | It has predefined data type such as date or float. | It also has predefined data type such as date or float. | |||
| 6. | It supports SQL. | It also supports SQL. | |||
| 7. | APIs and other access methods for Oracle is JDBC, ODBC, ODP.NET, Oracle Call Interface (OCI). | APIs and other access methods for MySQL is ADO.NET, JDBC, ODBC, Proprietary native API. | |||
| 8. | Programming languages supported by Oracle are C, C#, C++, Clojure, Cobol, Delphi, Eiffel, Erlang, Fortran, Groovy, Haskell, Java, JavaScript, Lisp, Objective C, OCaml, Perl, PHP, Python, R, Ruby, Scala, Tcl, Visual Basic. | Programming languages supported by MySQL are Ada, C, C#, C++, D, Delphi, Eiffel, Erlang, Haskell, Java, JavaScript (Node.js), Objective-C, OCaml, Perl, PHP, Python, Ruby, Scheme, Tcl. | |||
| 9. | It supports Server-side scripting using user PL/SQL. | It also supports Server-side scripting. | 10. | It supports Partitioning methods using horizontal partitioning. | It supports Partitioning methods using horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric. |