Django values_list

 Test.objects.all()                                  time: 0.010061947107315063
 Test.objects.all().values('first')                  time: 0.00578328013420105
 Test.objects.all().values_list('first')             time: 0.005257354974746704
 Test.objects.all().values_list('first', flat=True)  time: 0.0052023959159851075
 Test.objects.all().only('first')                    time: 0.011166254281997681

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3.71

John Satta 125 points

                                    Cannot resolve keyword 'lyrics' into field. Choices are: id, song, song_id

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3.71 (7 Votes)

Prerna Jain 155 points

                                    A QuerySet is a list of a dictionary of objects in your database.

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Threefivefive 105 points

                                    # Returns the total number of entries in the database.
count = Entry.objects.count()

# Returns the number of entries whose headline contains 'Lennon'
count = Entry.objects.filter(headline__contains='Lennon').count()

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Django values_list

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