Skip to content
Advertisement

Tag: sql

Skip None values in entry widgets Tkinter Python

Let’s say we have a Tkinter app with many entry widgets like this: The values from these widgets are used to UPDATE a database. The thing I want is to be able to skip a value in anyone of them and not use it in the UPDATE statement. For now with my code I check if there is something written

How to use JOIN and SELECT AS together in SQLAlchemy?

I have the two following tables. Users Table id name email 32 Hello e@mail.com 23 World p@mail.com Sales Table id SellerId CustomerId Amount 4 32 23 25 I want to join the tables in the following way to get this result. Here I want to only get the entries where customer id is equal to 23. Id SellerId SellerName SellerEmail

Django Querysets adding additional information inside View

I’m currently working on a small django application for my school. I got two models involved in this problem: “category” and “device”, which are connected in a one-to-many relationship category—<device(s) I added one page/template/view for the category overview, containing a large table with all the relevant information on every category created. Querying the categories like this: And displaying them inside

Create dynamically insert into table in Python

i am trying to read from some db2 schema all the tables and for those tables to get their columns so i can create dynamically insert into statement My data is stored in a list in this format: where tableName is the name of the table in my schema. So far i read from db catalog all tables and their

How can I translate SQL query to to django ORM

I’m working on making some data consults in Django but I don’t understand quite well its ORM system yet. I need to get the transactions’ quantity for a particularly transaction’s projections. To put it briefly, I want to translate this SQL query to Python/Django syntax: These are the models involved: Answer You do this with an [.annotate(…) clause [Django-doc]]: The

How Can My sqllite3 interaction be fixed?

I’m trying to get an admin account to edit a ‘rank’ (basically access level) for one of the profiles in my data-base. The error is: The code that seems to be the problem is: Originally, it was all on one line and it didn’t work, and now I’ve tried it on multiple lines and it still doesn’t work. So I

Advertisement