SQL challenge

profileannahiraeta
dept_manager.csv
dept_no emp_no
d001 110022
d001 110039
d002 110085
d002 110114
d003 110183
d003 110228
d004 110303
d004 110344
d004 110386
d004 110420
d005 110511
d005 110567
d006 110725
d006 110765
d006 110800
d006 110854
d007 111035
d007 111133
d008 111400
d008 111534
d009 111692
d009 111784
d009 111877
d009 111939