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Calculate a column based on if else condition

I am trying to calculate the discounted cost for an account based on its product codes where different codes get different discounts. I am struggling to find a way where I can modify the query so that …

How do I select a PostgreSQL system column using SQLAlchemy?

Postgresql implicitly defines several columns on every table, such as xmax and ctid (see docs). Assuming my SQLALchemy table definition does not specify these columns, is there a way to select them using the core sql functionality (i.e. not the ORM part of SA)? The following does not work as xmax is not explicitly defined in the table definition. Specifically

SQL subquery , using WHERE & ‘IN’ to filter for specific rows

please use here and copy the code in below to add context to my questions. As you see, I have a table and within it certain Father’s have the same name, I want to choose the father that has the most dogs for my final list. You can see the entire table in Query #1 , my desired result in

make multi-condition for query in querysolution this query in mysql [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 2 years ago. Improve this question But, i’d like to take values of left and right border from query I try to explain make multi-condition for query in query Answer If

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