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Posts: 46
Posted 23:41 Feb 13, 2016 |

hello professor,

In homework 4 , for Point-3 we have to add department, program and additional details.

we are adding them but only department is populated not additional details nor program.

how this can be done?


thank you

Posts: 2935
Posted 08:46 Feb 14, 2016 |

Chances are you either need to add @Transactional to the DAO methods that update the database, or add {CascadeType.MERGE, CascadeType.PERSIST} or CascadeType.ALL to the collections to be saved.