Write a query to display all the 'bills' with 'meter' details. Display the records in ascending order based on meter number.Note:1. Display all the columns of bill and meter table2. Use Joins3. Tables involved bill and meter4. Order by is mandatory5. Compare your executed result with the sample output given below.
Question
Write a query to display all the 'bills' with 'meter' details. Display the records in ascending order based on meter number.Note:1. Display all the columns of bill and meter table2. Use Joins3. Tables involved bill and meter4. Order by is mandatory5. Compare your executed result with the sample output given below.
Solution 1
Sure, based on your requirements, here is a SQL query that should give you the desired output:
SELECT *
FROM bill
JOIN meter
ON bill.meter_id = meter.meter_id
ORDER BY meter.meter_number ASC;
Here's a step-by-step breakdown of the query:
-
SELECT *- This selects all columns from the tables that we're going to mention in theFROMclause. -
FROM bill- This specifies the first table we're selecting data from, which is the 'bill' table. -
JOIN meter- This is the SQL JOIN clause, which combines rows from two or more tables based on a related column. Here, we're joining the 'bill' table with the 'meter' table. -
ON bill.meter_id = meter.meter_id- This is the condition that the JOIN operation is based on. We're joining the two tables on the 'meter_id' column, which is presumably a common column in both tables. -
ORDER BY meter.meter_number ASC- This sorts the resulting records in ascending order ('ASC') based on the 'meter_number' column in the 'meter' table.
Please replace 'meter_id' and 'meter_number' with the actual column names in your tables if they are different. Also, ensure that the 'bill' table has a foreign key that references the 'meter' table to establish a link between the two tables.
Solution 2
Here is the SQL query you need to write to get the desired output:
SELECT *
FROM bill
JOIN meter
ON bill.meter_id = meter.meter_id
ORDER BY meter.meter_number ASC;
Let's break it down:
-
SELECT *- This selects all columns from the tables we're going to mention next. -
FROM bill- This specifies the first table we're pulling data from, which is the 'bill' table. -
JOIN meter- This is the SQL JOIN clause, which combines rows from two or more tables based on a related column between them. Here, we're joining the 'meter' table. -
ON bill.meter_id = meter.meter_id- This is the condition that the JOIN is based on. We're joining on the 'meter_id' column that is present in both 'bill' and 'meter' tables. -
ORDER BY meter.meter_number ASC- This sorts the result set in ascending order by the 'meter_number' column in the 'meter' table. 'ASC' stands for ascending. If you wanted to sort in descending order, you would use 'DESC' instead.
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