What are aggregation functions in Django?
An example of an AI chatbot conversation about Django's aggregation functions.
What are aggregation functions in Django?
Aggregation functions in Django are used to perform calculations on a set of values and return a single value. They are often used with QuerySets.
Can you give me some examples of aggregation functions?
Sure! Common aggregation functions in Django include Count, Sum, Avg, Max, and Min. For instance, you can use Count to get the number of records.
How do I use the Count function in a query?
You can use it like this: MyModel.objects.aggregate(total=Count('field_name')) to count the number of entries for 'field_name'.
Are there any other functions I should know about?
Yes, you might also want to explore the F expressions and Q objects for more complex queries and aggregations.
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