Dept5_projs(pno):= project pnumber (select dnum=5 (projects)); emp_proj(ssn,pno):= project essn, pno (works_on); emp_proj_ssns:= project ssn (emp_proj); % All possibilities of employees working on dept5 projects.
All_emps: = SSN គម្រោង (បុគ្គលិក); Emps_with_deps (SSN): = essn គម្រោង (ពឹងផ្អែកលើ); Emps_without_deps: = (all_emps