Given the following relational database schema:

Employee=(ID, name, position, officeN, phoneN,age)// assume the name is unique.

Committee =( title, meetingDate, startTime, endTime, location)// You may use <,>,=,!= between dates and times.

Membership= ( ID, title, task) // task = member or chair.

Use a minimum number of operations and tables to express the following queries by SQL statements:

2. List the name of every employee who serving on every committee.

Employee=(ID, name, position, officeN, phoneN, age)// assume the name is unique.

Committee =( title, meetingDate, startTime, endTime, location)// You may use <,>,=,!= between dates and times.

Membership= ( ID, title, task) // task = member or chair

3. For every employee, list the ID, name and number of committees he/she is serving on as member or chair.

Employee= (ID, name, position, officeN, phoneN,age)// assume the name is unique.

Committee = ( title, meetingDate, startTime, endTime, location)// You may use <,>,=,!= between dates and times.

Membership= ( ID, title, task) // task = member or chair

9. List the titles of every two committees which do not meet on the same date.