1. 玛丽亚数据库：
它是一个开源关系数据库管理系统 (RDBMS)，是广泛使用的 MySQL 数据库技术的兼容替代品。它由 MariaDB Foundation 开发并于 2009 年 10 月 29 日首次发布。MariaDB 具有大量新功能，这使其在性能和用户导向方面优于 MySQL。
2. 数据：
它是 Teradata 公司生产的 RDBMS，用于管理大型数据仓库操作。 Teradata Corporation 是数据库和分析相关软件、产品和服务的提供商。它接受来自多个客户端应用程序的请求数。
MariaDB 和 Teradata 的区别：
| SR.NO | MariaDB | Teradata |
|---|---|---|
| 1 | It is developed by MariaDB Foundation in 2009. | It is developed by Teradata Corp. in 1984. |
| 2 | MariaDB server operating systems are FreeBSD, Linux, Solaris and Windows. | Teradata server operating systems are Linux, hosted. |
| 3 | The primary database model for MariaDB is Relational DBMS. | The primary database model for Teradata is Relational DBMS. |
| 4 | It is a open source software framework. | It runs world’s largest commercial databases. |
| 5 | Famous companies like CUNY, Accenture, Docplanner, Grooveshark, Northrop Grumman, uses MariaDB. | Famous companies like Cognizant, Capgemini, aws, Cisco, Citibank, etc use Teradata. |
| 6 | It support ACID Transactions. | It also support ACID transactions. |
| 7 | It provides us with Immediate Consistency method to ensure consistency in a distributed system. | It also provides us with Immediate Consistency method to ensure consistency in a distributed system. |
| 8 | It uses ADO.NET, JDBC, ODBC, Proprietary native APIs. | It uses .NET Client API, HTTP REST, JDBC, JMS Adapter ODBC, OLE DB as APIs. |
| 9 | It supports C, C#, C++, Go, Tcl, Perl, D, Erlang, Java, JavaScript, PHP, Python, Ruby. | It supports C, C++, Cobol, Java (JDBC-ODBC), Perl, PL/1, Python, R, Ruby. |
| 10 | It provides access rights for users and roles. | It provide fine grained access rights according to SQL-standard. |