Question

A relationship is a connection between: Select one:

a. two tables using a field that is common to both.
b. two or more database files with a common primary field.
c. two records within the same database.
d. two or more tables using a common record

Answer 1

A relationship is a connection between two tables using a common field.

Step-by-step explanation:

A relationship is a connection between two tables using a field that is common to both.

For example, in a database, you can have a table of customers and a table of orders. These tables can be related by a common field like the customer ID. By linking the tables based on this common field, you can retrieve information that is related to each other.

Answer 2

A database relationship connects two tables using a common field; option (a) is correct. Relationships do not necessarily imply causality between the linked variables. So, the correct option is a. two tables using a field that is common to both.

Step-by-step explanation:

A relationship in a database context refers to the connection between data structures. Specifically, the correct answer to the question of what a relationship is a connection between is: two tables using a field that is common to both. That means option (a) is the correct choice.

When designing a relational database, one of the most crucial aspects is establishing links between different tables, which is done through the use of a common field.

This common field is often referred to as a 'key', and it helps to ensure that the data between the tables remains consistent and accessible.

It's important to note that while tables may share a common field, this does not necessarily imply a causal relationship. In other words, just because two variables are related does not mean that one causes the other.

They may be correlated due to another variable influencing both.

So, the correct option is a. two tables using a field that is common to both.