SQL Exercises: Display customer name, city and grade by highest grade
SQL Formatting Output: Exercise-8 with Solution
From the following table, write a SQL query to find all the customers. Sort the result-set in descending order on 3rd field. Return customer name, city and grade.
Sample table: customer
SELECT cust_name,city,grade FROM customer ORDER BY 3 DESC;
Output of the Query:
cust_name city grade Brad Guzan London Fabian Johnson Paris 300 Julian Green London 300 Brad Davis New York 200 Jozy Altidor Moscow 200 Graham Zusi California 200 Nick Rimando New York 100 Geoff Cameron Berlin 100
Relational Algebra Expression:
Relational Algebra Tree:
Pictorial presentation :
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Previous: From the following table, write a SQL query to calculate the maximum purchase amount generated by each sales person for every order date. Sort the result-set by sales person id and order date in ascending order. Return sales person id, order date and maximum purchase amount.
Next: From the following table, write a SQL query to count the unique orders, highest purchase amount for each customer. Sort the result-set in descending order on 2nd field. Return customer ID, number of distinct orders and highest purchase amount by each customer.
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SQL: Tips of the Day
How to restore a dump file from mysqldump?
It should be as simple as running this:
mysql -u <user> -p < db_backup.dump
If the dump is of a single database you may have to add a line at the top of the file:
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