Django ORM - Select and Output individual fields example

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The Django ORM series covers a range of common functions that you will perform on a database with Django. In this tutorial we take a look at how to select individual fields from a database and output the data onto a template.

00:00 Introduction

Code Repository 6

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Комментарии
Автор

This is a great series. It's great to slow down and focus on one aspect of Django.

julienboudreau
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Use have solved my biggest problem of working with database in django. Please Make Videos on other methods(like select_related, exclude) also.

nucleusnode
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Why does the select statement in 7:10 still contains all the fields even though only() is used?

jiweihe
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Can we see a video on select_related and prefetch_related.?

createlifejr
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It is interesting. If I select only the firstname and the age it is also possible to display the surename and the classroom. The SQL querie ('sql': 'SELECT "student_student"."id", "student_student"."firstname", "student_student"."age" FROM "student_student" WHERE "student_student"."classroom" = 1)

calls only the firstname and age but its seems to take the whole instance ...
So what does the ".only()" do?

user
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How can I sort the posts of one user, for example, I only want to display the posts of a user who uploaded them on his own account, like the technology in Facebook, that is, when I upload a post, I can see it on my own page, I want to do something similar to that But I haven't succeeded yet

ZZ-vzin
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students = also gives last name as well.

mr.anderson