Questions tagged [top-n]

322 questions
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DAX TOPN formula works on 1 PC but not on others

I have a calculated measure in a Power Pivot data model in excel that has so far worked for me and my co workers. =FIRSTNONBLANK(SELECTCOLUMNS(TOPN(1,searchpulse_,searchpulse_[comp_impr],0,searchpulse_[sp_match_key],0),"-",searchpulse_[Most Recent…
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How could I query from the first n rows using SQL?

For example, I would like to query from the first 10 rows, how could I achieve that. (Not get the first 10 of the query results). I tried using 'limit' first then 'where' but it doesn't work.
Danni Chen
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Show all columns with rank

Is it possible to show all the columns of the table in oracle along with the column that will show distinct rank like using dense_rank()? If yes please do let me know the solution.
Jaspreet Singh
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Need explanation regarding the working of a self-join query on same column

Question is to find the 2nd highest salary of the emp table using self join. The code is as below : SELECT DISTINCT sal FROM emp e1 WHERE 2 = (SELECT count(DISTINCT sal) FROM emp e2 WHERE e1.sal <= e2.sal); Can someone please explain the mechanism…
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How to find most frequent value in SQL column and return that value?

I was trying to do something like this: select nume_produs from incasari group by id having count(nume_produs) = max(count(nume_produs)); but it doesn't work
ioio79
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SELECT 50 MAX FIRST PRICES without a "WHERE" clause

how to select the first maximum prices in a table without using the clause "where" ?
Sara
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why does both the block number is shown when I want to show the block with maximum departments?

I have a table department with 3 column(department_name , department_id, department_block_number) so I want to fetch the department_block_number in which maximum number of department is located ? I have two department_block_number 303, 202 and each…
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Is there another operator - other than rownum - in Oracle to display the top result in a query

I'm new to coding,please keep that in mind,currently I'm learning in Italian, therefore are some mistake in spelling. I have a small Database regarding a dvd-rental, I write this code and the result is nicely showing, but I need only the top…
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select only one name from multiple/many names

I want to select only one name from table where the person(name) is the most times in the table.. table looks like (the import_rec ix_k) : product_name product_id man_name product1 1 mame1|''|last_name1|''|ID product2 …
Georgy
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Best way to list top 5 large numbers from a huge text file

Trying to find best and simple way to list the top 5 numbers from a 150G text file. The file I was searching has only numbers in in each line as below. 456789876 098765 36 48987 4509876 . . . Tried the below program and still it displayed only…
yog raj
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Power BI - Word Cloud - Top N Words

I have a question regarding "Word Cloud" custom visual. Let's say in my table, I have a column for "Keyword", "Cost" and "Clicks". I then create the following measures: [Total Cost] = SUM(Table[Cost]) [Total Clicks] = SUM(Table[Clicks]) [CPC] =…
Shiv Konar
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In mongodb how to get the highest count of salary

In Mongo db I have some sample data as follows: Object 1 { 'id': 1, 'name': 'ram', 'age': 25, 'group': 'developer', 'salary': 30000 } Object 2 { 'id': 2, 'name': 'sai', 'age': 27, 'group': 'developer', 'salary': 45000 } This is some…
Anjansai
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Rank () function over multiple columns in oracle

I need to rank a table with two columns transID & travel_date here is my data transID travel_date 2341 2018-04-04 10:00:00 2341 2018-04-04 11:30:00 2891 2018-04-04 12:30:00 2891 2018-04-04 18:30:00 2341 2018-04-05…
jatsen
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how to make top_n() reactive? with using input$x inside the function?

I am building a shinyapp, and I have data for markets and customers. I want to make a valueBox, that tells the Top Markets of the company, but I want that the user chooses how many markets he wants to see (5,10,15,20, etc) For example, to select…
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Oracle SQL Finding the 5 lowest salaries

I am trying to answer the following question. Show ID_Number and name for the five lowest paid employees. This is the table with employees: CREATE TABLE Employees (ID_No CHAR(4) NOT NULL, Name VARCHAR(50) NOT NULL, …