Skip to content

Tag: amazon-web-services

How best can I to pivot my redshift table?

I have a Redshift table called metadata with the following columns: id key value 1001 code1 my value 1001 code2 another 1001 code3 yet another 1002 code1 new one 1002 code2 here 1002 code3 last 1003 code1 hello 1003 code2 goodbye 1004 code2 now 1004 code3 then I’d like to have a query that return it as: id code1 code2

Calculate Median for each group in AWS Athena table

Below is the schema for the athena table I wish to calculate median for ‘parameter_value’ group by standard_lab_parameter_name & units. For this I followed link : But on running the query It throws error Any help? Or if some alternative query would be great Answer Athena is based on Presto 0.172 – you can see all supported functions in

Hierarchical SQL query to Athena

I’m trying to create a query in Athena that solves this problem: I have records that look like this which create a hierarchical structure, like a tree but with indeterminate children. I have more than one root, that is, more than one element that is not children of anyone. I want to get the complete structure for one of them.

SQL Server – Add a linked server to AWS RDS instance

From this AWS link it explains how to add a linked server: Specifically these commands The main problem is it seems to be a mix of ‘, `, and ” I get syntax errors, and I assume that’s why. Plus, I don’t know why it has the N before a bunch of them. It looks to me like they