1. Teradata：
Teradata是Teradata Corp.生产的RDBMS。它用于管理大型数据仓库操作。 Teradata Corporation是与数据库和分析相关的软件，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量。
2.猪：
Pig用于分析大量数据。它是MapReduce的抽象。 Pig用于在Hadoop中执行各种数据操作操作。它提供Pig-Latin语言来编写包含许多内置函数(如join，filter等)的代码。Apache Pig的两个部分是Pig-Latin和Pig-Engine。 Pig Engine用于将所有这些脚本转换为特定的映射并减少任务。猪的抽象处于更高的水平。与MapReduce相比，它包含的代码行更少。
Teradata和Pig之间的区别：
| Teradata | Pig |
|---|---|
| It is developed by Teradata Corp. in 1984. | It was developed by Yahoo. |
| Teradata is not suitable for complex and nested data structures. | Pig is suitable for complex and nested data structures. |
| It does not support Avro file format. | It supports Avro file format. |
| It is used to handle structured and semi-structured data. | It is mainly used to handle structured data. |
| Famous companies like Cognizant, Capgemini, aws, Cisco, Citibank, etc use Teradata. | Famous companies like Adobe, Amadeus uses Pig. |
| Teradata makes use of the exact variation of dedicated SQL-DDL language by defining tables beforehand. | Pig does not have a dedicated metadata database. |
| It supports both Master-Slave Replication and Master-Master Replication. | It supports Master-Slave Replication. |
| It is used for creating reports. | It is used for programming. |
| Teradata server operating systems are Linux, hosted. | Pig server operating systems are Linux, OS X, Solaris, Windows. |