Aggregate functions are normally used in conjunction with a GROUP BY clause. The GROUP BY clause enables you to use aggregate functions to answer more complex managerial questions such as: What is the average salary of employees in each department? How many employees work in each...
See more
1,499
2,499
40% off
3,999
5,499
27% off
5.0
5.0
4.5
Download the Study24x7 App, so you can connect and collaborate.
