Explain how a one-to-many relationship is created using an Access database with two or more tables.  Why is it useful to create a relationship between tables?

What will be an ideal response?


?A one-to-many relationship exists between two tables when one record in the first table matches zero, one, or many records in the second table, and when one record in the second table matches at most one record in the first table. Here, the Owner and Animal tables have a one-to-many relationship because an Owner can own many animals, and each animal is associated with only one owner. The two tables are still separate tables, but because they are joined, you can use the data in them as if they were one table.

Computer Science & Information Technology

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