9 мар. 2017 г. · i don't think there is a easy way to do that in Redshift,. also you say you have more then 1000 categories and the number is growing you ...

4 мар. 2022 г. · From the Redshift documentation - "The PIVOT IN list values cannot be column references or sub-queries. Each value must be type compatible ...

21 сент. 2018 г. · At the very least you need to read the data once to work out what columns you're going to need, then use that information to dynamically ...

16 дек. 2021 г. · Use pivoting logic: SELECT t1.id, t1.name, MAX(CASE WHEN t2.label = 'time' THEN t2.value END) AS time, MAX(CASE WHEN t2.label = 'score' THEN ...

23 июн. 2020 г. · Just use conditional aggregation: select pn, max(case when seqnum = 1 then gender end) as primary_gender, max(case when seqnum = 2 then ...

25 нояб. 2021 г. · 1 Answer 1 · Awesome. Thanks however, I am looking for dynamic column values. might need to find some other way. Anyways, thanks a lot · For ...

18 янв. 2024 г. · I have the following dataframe in Redshift, where every account has 6 months worth of data for multiple columns. In this example, I'm only ...

15 февр. 2023 г. · This can be some code external to Redshift (lots of options) or a stored procedure in Redshift. This code, no matter where it exists, should ...

1 июн. 2021 г. · You can use row_number() to add a sequence number and then aggregate by that: select max(case when seller = 'a' then product end) as a, ...

20 янв. 2022 г. · Use ISNULL in count : SELECT server_id, ( select '{' || listagg('"' || x.name || '":' || x.count, ',') || '}' as clientdatabases from ...