Hibernate 3 - Inheritance Strategies

Table per concrete class Questions in this category test your knowledge on

• how to map a polymorphic association
• the SQL generated if a polymorphic query is issued

Table per concrete class with UNION Questions in this category test your knowledge on :

• your ability to detect if a given DB schema can be mapped using this strategy
• mapping element to use : <union-subclass> and their allowed content
• id strategy constraints
• how to map a polymorphic association
• what is the SQL generated if a polymorphic query is issued

Table per subclass with discriminator strategy Questions in this category test your knowledge on :

• your ability to detect if a given DB schema can be mapped using this strategy
• mapping elements to use : <discriminator/> <subclass/> <join/> <key/> and their allowed content
• how to map a polymorphic association
• what is the SQL generated if a polymorphic query is issued

Table per subclass strategy

Questions in this category test your knowledge on :

• your ability to detect if a given DB schema can be mapped using this strategy
• mapping elements to use : <joined-subclass/> <key/> and their allowed content
• how to map a polymorphic association
• what is the SQL generated if a polymorphic query is issued

Table per class hierarchy strategy Questions in this category test your knowledge on :

• your ability to detect if a given DB schema can be mapped using this strategy
• mapping elements to use : <subclass/> <key/> and their allowed content
• how to map a polymorphic association
• what is the SQL generated if a polymorphic query is issued