Question: NEED WITH THIS DATABASE QUESTIONS Need help with this data base question to rewrite those questions 1. list the branchno and the number of female

NEED WITH THIS DATABASE QUESTIONS

Need help with this data base question to rewrite those questions

1. list the branchno and the number of female staff and the average salary for each branch. Your output header should be: branchno, count, average_salary

2. list the hotel name that has 3 different types of rooms.

3. list the hotel name, the number of different types of rooms, and the revenue if all rooms were booked for the hotels that are at London and the revenue is higher than 85. Your view header names should be: hotelname, count, revenue.

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