In this video, We will learn the One To Many ( 1 - M ) and Many To One ( M - 1) relationship. In Spring boot We can achieve these by using @OnetoMany , @ManyToOne , @JoinColumn and a mappedBy attribute. But the very important thing here is to identify the one side and the many side and placing these spring boot annotations correctly.
So Let's dive in and learn the Spring data jpa's entity mapping for OneToMany and ManyToOne relationship.
Timestamp
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00:00:00 - Spring Boot simple data jpa project walkthrough
00:17:54 - One to Many mapping in dbms
00:27:53 - Implementing One To Many in Spring boot
00:29:36 - @OneToMany and @JoinColumn
00:42:00 - @ManyToOne in spring data jpa
00:58:19 - CasecadeType Persist
01:02:51 - @OneToMany mappedBy
01:12:56 - lazy and eager initialization in spring / hibernate
#springdatajpa #onetomany #springboot
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