What do you call a group of related records that are combined together in a database?

The group of related records combined together in a database is referred to as a file. In the context of databases, a file is a collection of information or data that is organized in such a way that it can be easily accessed, managed, and processed. Each file typically contains records that share related attributes or data fields, facilitating efficient data retrieval and manipulation.

While 'table' might seem like an alternative answer since databases often use tables to manage data, a table specifically refers to the structure within a database where records are stored in rows and columns. The term 'file' encompasses a broader concept of associated records, which may include multiple tables or other forms of organized data.

Categories and folders, while they may imply some organization of information, are not standard terminology for describing a group of related records within a database environment. A category generally refers to a classification, while a folder is typically used in file storage systems rather than database management. Thus, the most fitting term for the context provided is 'file,' as it accurately represents a collection of records that pertain to a common subject or theme within the database.