Conditional JOIN Statement SQL Server

I think what you are asking for will work by joining the Initial table to both Option_A and Option_B using LEFT JOIN, which will produce something like this: Example code: Once you have done this, you ‘ignore’ the set of NULLS. The additional trick here is in the SELECT line, where you need to decide … Read more

SQL conditional SELECT

Sounds like they want the ability to return only allowed fields, which means the number of fields returned also has to be dynamic. This will work with 2 variables. Anything more than that will be getting confusing. Dynamic SQL will help with multiples. This examples is assuming atleast 1 column is true.

when to use if vs elif in python

I’ll expand out my comment to an answer. In the case that all cases return, these are indeed equivalent. What becomes important in choosing between them is then what is more readable. Your latter example uses the elif structure to explicitly state that the cases are mutually exclusive, rather than relying on the fact they are implicitly … Read more

Python conditional assignment operator

No, the replacement is: However, wanting to use this construct is a sign of overly complicated code flow. Usually, you’d do the following: and never be unsure whether v is set or not. If it’s one of many options that can either be set or not, use a dictionary and its get method which allows a default value