I am looking at an example of correlated subquery with aliases from a PostgreSQL book: bpsimple=# SELECT * FROM orderinfo o, bpsimple=# (SELECT * FROM customer c WHERE town = 'Bingham') c bpsimple=# ...
Write a query to display last name ,department number,and salary of any employee whose department number and salary both match the department number and salary of any employee using the following ...
SELECT MAX(COUNT), A.id FROM ( SELECT supplier_id as id, COUNT(*) AS count FROM `library`.`lms_book_details` GROUP BY supplier_id ) GROUP BY A.id; While executing the query, MySQL gives ...
I have an SQL query whose aliases are the same as some of its subquery's aliases. For example: select * from ROOM r where ... ( select * from ROAD r ...