This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
While reading specs I found lot of annotations for O/R mapping, like @Inheritance, @Column, @JoinColumn, @PrimaryKeyJoinColumn, @Version, @Descriminator, @DescriminatorValue, and so many other annotations.
Do we need to learn all of them for the exam? However the Sun Objectives doesn't include many of them.