I do have the following database table containing the timestamps in unix format as well as the total yield (summing up) of my solar panels every 5 mins: Now I would like to calculate how much energy was produced each year. I thought of reading the first and last timestamp using UNION of each year: This works fine but I
Tag: min
sql – Get the Minimum Value of 2 subqueries
I have a query which has 5 subqueries. I need it to have only 4 subqueries, since two of them are supposed to be only one result. The problem is I don’t know how to maintain the query structure and …
Select Min Date value from subquery to main query
I’m trying to get the min Date value as a column in the main query where the main query & the subquery have inner joins & the min Date value is dependent on grouping of 3 columns from the main …
How to use MIN() by date in a clause that uses SUM() for another date?
I need to find all the clients that have their first order in 2017 and sum up their incomes in 2018. I have issue trying to do that in SQL clause. In my table I have 3 clients, 2 of them first …
Using a MIN MAX query over a DISTINCT one in MySQL?
With my new job, I am needing to use SQL more and more. As I need to remove duplicate columns I thought that using a DISTINCT statement would be best. However, I was indicated that a MIN MAX statement might be more suited. As I am still fairly new to SQL I was wondering if I could get some advice