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並前往https://zho.tidewaterschool.org/994599-whats-the-difference-between-joincolumn-AMRWIY

使用JPA @OneToMany關聯時，@ JoinColumn和mappedBy ...

之間有什麼區別？ @Entity public class Company { @OneToMany(cascade = CascadeType.ALL , fetch = FetchType.LAZY) @JoinColumn(name = 'companyIdRef', ...

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查詢 「JoinColumn」的人也找了：

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