ORDER BY and GROUP BY clauses can be used to sort the results in a specific order.
Question
ORDER BY and GROUP BY Clauses
The ORDER BY
and GROUP BY
clauses can be used to sort the results in a specific order.
Solution
Yes, that's correct. The ORDER BY clause in SQL is used to sort the results in ascending or descending order based on one or more columns. By default, ORDER BY sorts the data in ascending order. If you want to sort the results in descending order, you can use the DESC keyword.
On the other hand, the GROUP BY clause is used in collaboration with the SELECT statement to arrange identical data into groups. This GROUP BY clause follows the WHERE clause in a SELECT statement and precedes the ORDER BY clause.
Here's a step-by-step example of how you might use these clauses:
- Start with your SELECT statement, specifying the columns you want to retrieve.
- Add a WHERE clause if you want to filter the results.
- Use the GROUP BY clause to group the results by a certain column. This is often used with aggregate functions (COUNT, MAX, MIN, SUM, AVG) to group the result-set by one or more columns.
- Finally, use the ORDER BY clause to sort the results in ascending or descending order.
For example:
SELECT column_name, COUNT(*)
FROM table_name
WHERE condition
GROUP BY column_name
ORDER BY column_name DESC;
This will select the specified column and the count of occurrences of each value in that column, from entries in the table that meet the condition, group them by the values in that column, and order the results in descending order by the values in that column.
Similar Questions
To sort the results of a query use:a.GROUP BY.b.None of the above is correct.c.ORDER BY.d.SORT BY.
Which SQL clause is used to sort the result set in descending order based on one or more columns?
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