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N:M Relationship between users and guests

I’m building an app that can assign guests to an existing user. Those guests can see some information about the users they are associated with. It’s N:M: Users can have multiple guests associated Guests can be associated to multiple users Under the hood they are stored in the same table, the only …

How do I check if an array is sorted with SQL?

I have the following table CREATE TABLE arr( id int, arr_r int [] ); INSERT INTO arr(arr_r ) VALUES ( ARRAY [1 ,2 ,3]) , ( ARRAY [4 ,3]) , ( ARRAY [7 ,6]) , ( ARRAY [2 ,2]); and I want to output the …

Aggregrate the variable from timestamp on bigQuery

I am planning to calculate the most frequency part_of_day for each of the user. In this case, firstly, I encoded timestamp with part_of_day, then aggregrate with the most frequency part_of_day. I use the ARRAY_AGG to calculate the mode (). However, I’m not sure how to deal with timestamp with the ARRAY_AGG, b…

How to use select statements for column name ending in +

I am attempting to run a spearman correlation on some data under the column name solar+. However, when attempting to use select statements to select the desired number of rows from the egauge13830 table, the plus sign is considered an operator and causes an error. These are the 2 statements I’ve tried a…

SQL Join table to itself

I have a table where there are two columns like below. value1 DerivedFrom 1 0 2 1 3 2 4 3 5 4 Basically, what it is saying is 1 was new, 2 was derived from 1,…