JPA and Eclipse link tutorial

      Introduction to JPA

      Setting up the environment

      JPA: Hello World Application

      JPA: Entity class

      JPA: Change the table name

      JPA: Trouble Shooting

      JPA: Supported Data Types

      Primary keys

      @Id: Define primary key of an entity

      @Column: Customize column names

      @Column: customize the column name

      @Column: Make the column as unique key

      @Column: Specify whether this column takes nullable values or not

      @Column: columnDefinition attribute

      @Column: length: Specify column length

      @Column: precision: Specify the precision for a decimal column

      @Column: scale: Specify number of digits after the decimal point.

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