Final answer:
The process of linking records in different tables in a database is called joining, which is done based on a common field.
Step-by-step explanation:
The process of linking records in different tables is called joining. When you join tables, you are creating a relationship between them based on a common field that they share, known as a foreign key in one table that matches the primary key in another table. For example, in a database with a table for students and another for classes, you might join these two tables on a field like student_id to display all the classes a particular student is taking.