Q objects (
django.db.models.Q) is an object used to encapsulate a collection of keyword arguments.
Software engineering facts, information, and skills categorized as SQL
At many points, a developer may want to clone a row of data for multiple reason. TheSQL Alchemy makeit easy to do in 5 steps. For example we have a table products and clone the product with id 25.
Regex and iregex are the two field lookups that enable us to search database with regular expressions. regex is case-sensitive where as iregexis case-insensitive.
Field lookups are how we specify the conditions in the
WHERE clause of an SQL. They are specified as keyword arguments for QuerySet methodslike
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