#postgresql
Read more stories on Hashnode
Articles with this tag
Learn Basic SQL Window Functions Step-by-Step · Introduction SQL window functions are powerful tools for performing complex calculations across a set of...
Problem Statement: Write a query to find the average salary of the employees for each department. Save the new average salary as...
Find manager who manage 4 or More employees · Problem Statement: Write a query to display the "full_name" of a manager who manages 4 or more...
Locate employees paid less than the department's average wage. · TechieBytes Solutions, a prominent technology firm specializing in software development...
Problem Statement Create an SQL query to retrieve all details of employees who receive the third-highest salary. Ensure the query returns all columns...
Do we need key? DBMS (Database Management System) stores large amount of data in such a way so that it will be easy to read, write and secure in...