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Questions - dense-rank

Function that returns MAX OR MIN dates based on ID count

I have a task in SQL Server where I need to return the RESULT_DATE column using ID, PRODUCT_ID and DATE columns. Task criteria: If DATE column is filled once for each PRODUCT_ID then I need to return...
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Konstantins Kovalovs

sql

sql-server

tsql

partition

dense-rank

Votes: 0

Answers: 1

Latest Answer

You can use a CTE, Select all rows with a non-NULL Date giving each a row_number, then use a second CTE to fetch all rows from the first CTE equivalent to the date with the largest row number per prod...
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Steve Ford

Convert Sum(x) Keep( Dense_Rank Last Order by y) from oracle to BigQuery with limitation factor

I got an oracle query as below. with table_a as( select 1 as call_key, date '2021-06-01' as customer_contact, 1 as status from dual union all select 1 as call_key, date '2021-06-02' as customer_conta...
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riley chen

oracle

google-bigquery

dense-rank

Votes: 0

Answers: 1

Latest Answer

In my real scenario, the table or other fields are dynamic, the only information I get is the column that needs to sum and the column needs to order by Try below. As you can see the only fields bein...
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Mikhail Berlyant

How to get top 5 dense ranked rows in Pandas?

So I tried to get this working. I know how to sort, use nlargest or use rank with method dense.. But somehow I'm still lost. Here is what I want to achieve: I always want to have top 3 rows based on ...
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botafogo

python-3.x

pandas

sorting

dense-rank

Votes: 0

Answers: 1

Latest Answer

You can create an array that has the 3 smallest values of your Score column, and then use isin to filter your dataframe: some_vals = pd.Series(df['Score'].unique()).nsmallest(3).values df[df['Score']....
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sophocles

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