Question: Consider the Database in Appendix (you can tear off the Appendix page for easier viewing) and write the following SQL queries 9. Show the department

Consider the Database in Appendix (you can tear off the Appendix page for easier viewing) and write the following SQL queries

9. Show the department number (dno), the number of employees working for those departments and the average salary for each department.

APPENDIX

Consider the Database in Appendix (you can tear off the Appendix page

DEPENIDANT \begin{tabular}{ccccc} ESSN & DEPENDENT NAME & SEX & BDATE & RELATIONSHIP \\ \cline { 2 - 5 } 333445555 & Alice & F & 4/5/1986 & Daughter \\ 333445555 & Theodore & M & 10/25/1983 & Son \\ 333445555 & Joy & F & 5/3/1958 & Spouse \\ 987654321 & Abner & M & 2/28/1942 & Spouse \\ 123456789 & Michael & M & 1/4/1988 & Son \\ 123456789 & Alice & F & 2/12/1988 & Daughter \\ 123456789 & Elizabeth & F & 6/5/1967 & Spouse \end{tabular} EMPLOYEE DEPARTMENT

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