Write a query to display the month and the minimum total_units of electricity consumed on that month from the bill table. Give an alias name to the minimum total_units as 'minimum_units'.Note:1. Display only the month and minimum total_units of electricity consumed from bill table.2. Specify the alias name without any mistake.3. Group by month to get minimum total_units of every month.4. Compare your executed result with the sample output given below.
Question
Write a query to display the month and the minimum total_units of electricity consumed on that month from the bill table. Give an alias name to the minimum total_units as 'minimum_units'.Note:1. Display only the month and minimum total_units of electricity consumed from bill table.2. Specify the alias name without any mistake.3. Group by month to get minimum total_units of every month.4. Compare your executed result with the sample output given below.
Solution
Here is the SQL query that you need to write to get the desired output:
SELECT MONTH(bill_date) AS month, MIN(total_units) AS minimum_units
FROM bill
GROUP BY MONTH(bill_date);
Let's break down this query:
-
SELECT MONTH(bill_date) AS month: This part of the query is used to extract the month from thebill_datecolumn and give it an alias namemonth. -
MIN(total_units) AS minimum_units: This part of the query is used to find the minimum value of thetotal_unitscolumn for each month and give it an alias nameminimum_units. -
FROM bill: This part of the query specifies the table from which we want to select data, which is thebilltable in this case. -
GROUP BY MONTH(bill_date): This part of the query is used to group the selected data by the month of thebill_date, so that we can find the minimumtotal_unitsfor each month.
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