Question

Explain three types of Relationship in RDBMS with example.​

Answer 1

Answer:

There are three types of relationships: One-to-one: Both tables can have only one record on either side of the relationship. Each primary key value relates to only one (or no) record in the related table. They're like spouses—you may or may not be married, but if you are, both you and your spouse have only one spouse.