Defining the Column Constraints Whenever the unique constraint is based only on one field, we can use @Column(unique=true) on that column. Let's define a unique constraint on the personNumber fiel
@Column(unique=true)
private Long personNumber;
Defining the Column Constraints Whenever the unique constraint is based only on one field, we can use @Column(unique=true) on that column. Let's define a unique constraint on the personNumber fiel
@Column(unique=true)
private Long personNumber;
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