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row_number is not unique for duplicate records
I am trying to find the latest update of a particular row from a bunch of rows per uuid.
For that we use row_number() over a partition as shown below,
"row_number"() OVER (
PARTITION BY ...
Jimson James
Votes: 0
Answers: 2
Problem with LEFT JOIN, returning a OUTER JOIN in PrestoSQL
I would like to keep just the earliest record of every ID in a table where the dates are in yyyy-mm-dd format. If I have two or more records on the same day, I just want to take one and I do not care ...
Pin Eipol
Votes: 0
Answers: 2
First_value function with IGNORE NULLS expression is not working on Athena AWS
I used fist value function, it works fine but when I added "IGNORE NULLS" I got the following error
line 1:179: mismatched input ')'. Expecting: 'OVER'
My function
first_value (if(DiffconvC...
idan
Votes: 0
Answers: 1
SQL - Is it possible to print all records or only one record taking into account count(*) in a table?
I am trying to find a way to print the result taking into account if exists records in a table or not.
If yes I should print all the records in a table, otherwise I should print only one record.
Examp...
bigdataadd
Votes: 0
Answers: 2