I am trying to join three tables, but in one of the tables I need to concat two columns for being able to do the left join. I have used (+) instead ...
I am trying to join three tables, but in one of the tables I need to concat two columns for being able to do the left join. I have used (+) instead ...
I am trying to return all languages spoken by an individual in a single field to use in a SSRS report. Currently I have this long Concat that bring ...
I am trying to compare two lists of unique Household IDs using the Distinct clause. The problem comes when I try to pull in a third column consisting ...
In C# i can do a left join query, with multiple conditions. Like this C# example that runs fine: I've tried to translate this to the following in F ...
I have a dataframe of bird nest boxes from 2021 and one from 2020. The one from 2021 has fewer fields, and there are NA values for boxes within the da ...
I'm trying to use a single query to get information from 4 different tables and combine them, as some tables may have multiple rows where the ID match ...
My SQL statement: SELECT c.*, s.followup FROM clients c LEFT JOIN scans s ON c.id=s.client_id The scans table joins to the clients table on the clie ...
I have a dataframe named 'res', where the row names are numbers corresponding to genes. I am wondering how to give the row names of my dataframe th ...
we have a Table with a list of table names we want to be created. They don't have an ID column or anything, it's just a few rows of data with 2 column ...
I need to replace values of several columns (many more than those in the example, so I would like to avoid doing multiple left joins) of a dataframe w ...
so I have this left join the issue is that sometimes d.country comes back null. How can I add a case statement in the left join so that when d.coun ...
Websites: website_Id website_name 1 website_a 2 website_b 3 ...
So I have 2 tables and one contains an string with an ID I want to replace with an string by another table. I came up with this SQL, which should work ...
I have a table t For the missing values of the column price, like 102, 104, and 105, I want to fill it with n=0. ...
I have two tables available. 1) Users 2) Friendships. Following is the table structure: Users Table have following columns id email dob ...
I am trying to merge two dataframes if the right_on matches with any of the left_on columns. Dataframe examples: Merging this way through or gives ...
I have the following tables: projects (id) items (project_id) comments (item_id) I want to: count all the items in a project count al ...
I am looking for a query than can list the customers: customers who sign up but not orders. customers who order more than 1 time. I have 2 Ta ...
Dealing with a syntax error (Encountered: SELECT, Expected: CROSS, FROM, GROUP,...) when trying to SELECT t1.*. The middle of my code runs without err ...
Currently trying to figure out how to implement a SQL LEFT OUTER JOIN while using the SQL WITH AS clause. My code breaks down into 3 SELECT statements ...