Write SELECT statements that implement the following queries. Write one statement for each question.

$(1)$ Find the names of all the departments that located in Sydney.

$(2)$ Find employee number and name for the employees who work on both projects $1002$ and $1004.$

$(3)$ Find employee number and name $($in uppercase$)$ for all employees who were born after $1990.$ Format

the results in the descending order of their names.

$(4)$ For each department, find the department name and total budgets of the projects allocated for the

department.

$(5)$ Find the names of the all employees who work in the department GAMES, and work on the projects that

the budgets are more than $$100000.$

$(6)$ Find the number and name for the employees who have no project.