JPA / Hibernate Composite Primary Key Example with Spring Boot

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In this video, we will learn how to map a composite primary key in Hibernate using JPA’s @Embeddable and @EmbeddedId annotations.

In a real-time situation, there can be scenarios when one column is not good enough to uniquely identify a row. In such scenarios, we use a combination of columns to uniquely identify a row.

SQL composite key is a combination of two or more columns in a table that is used to uniquely identify a row. The combination of the columns guarantees uniqueness.

We will create a Spring boot project to demonstrates composite key mapping using JPA/Hibernate.

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Hello sir .. please explain how to delete record of table contains composite key

ganeshnawle

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