Indexes: Indexes for the table.
Many-to-many relationships Finally, the ManyToMany annotation facilitates a many-to-many relationship between entities.
For example, a session bean now requires only a bean class and a business interface, which is a simple Java technology interface.
โข In fact, you don't need to specify the Inheritance annotation if you're using single-table inheritance.
Object mapping can be modified, but it functions well by default.
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