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26 Comments on "Spring Boot Quick Start 31 – Adding Entity Relationship and Extending Repository"

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Christopher Mailloux
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Christopher Mailloux
5 days 16 minutes ago

What if I wanted to find by multiple fields? For example, find a user where first name and last name fields are both a given value. Obviously I don't want to just findAllUsers and filter; that requires unnecessary network activity / database interaction.

Devanathan Narasimhan
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Devanathan Narasimhan
11 days 6 hours ago

Hi Koushik,Your tutorial video is awesome,i have query, how to use .yml file using springboot webservices..

Deepak Pandey
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Deepak Pandey
22 days 23 hours ago

Is it required/mandatory to put @Repository annotation on courseRepository for successful autowiring in service? As in Spring 4 we need @Repository annotation its mandatory.

Meenakshi Aravinda
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Meenakshi Aravinda
28 days 10 hours ago

Hi.. PUT and DELETE of course aren't working for me. it gives me no error also… those methods itself are not being called.. any help pls..

Shubhankar Khaladkar
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Shubhankar Khaladkar
1 month 8 days ago

I am getting following errors, please help1. HHH000412: Hibernate Core {5.0.12.Final}, HH000206: hibernate.properties not found

alaa mezain
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alaa mezain
1 month 22 days ago

This is not working its telling me this error Invalid derived query! No property departmentdeptId found for type Employee!Please any suggested solution

To Be Or Not To Be
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To Be Or Not To Be
1 month 27 days ago

Where can i get the source code ?

Will Ruiz
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Will Ruiz
10 days 2 hours ago

Google "course-api-data+GitHub" and you will find some

Sanket Kudalkar
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Sanket Kudalkar
2 months 8 days ago

Hey Koushik, I think you forgot to mention how to configure other databases. Can you do tutorial for that ?

Scudd Kidd
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Scudd Kidd
3 months 4 days ago

the logic you went with , is convulted , the right take would be making the courses entity a field in the topic entity , isn't ?

h s
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h s
1 month 27 days ago

not every Topic has Courses but every Course has a Topic

MaierasAndrei
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MaierasAndrei
2 months 1 day ago

The `Topic topic` instance variable in the `Course` class acts like the foreign key from course to topic. So as the annotation `@ManyToOne` says you will have many courses to one topic. Hope it helps

Ashish Poste
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Ashish Poste
2 months 16 days ago

Even i was thinking on those line.Tpoic should have list of courses.IF we have topic within courses.Topics would be repreated within courses having same topic.Redundannt data…Kosuhik please help …if you have done that with some other concept in mind

Dale Highfill
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Dale Highfill
3 months 21 days ago

Very well organized and progressive learning. Looking forward to reviewing your other playlist.

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