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*Data structure
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a) Small dataset (departments_txt)
[DeptNo DeptName] - Tab separated
d001  Marketing
d002	Finance
d003	Human Resources
d004	Production
d005	Development
d006	Quality Management
d007	Sales
d008	Research
d009	Customer Service

b) Large dataset (employees_tsv)
[Emp_no DOB FName LName HireDate  DeptNo] - Tab separated

10001  1953-09-02	Georgi	Facello	M	1986-06-26	d005
10002	1964-06-02	Bezalel	Simmel	F	1985-11-21	d007
10003	1959-12-03	Parto	Bamford	M	1986-08-28	d004
10004	1954-05-01	Chirstian	Koblick	M	1986-12-01	d004
10005	1955-01-21	Kyoichi	Maliniak	M	1989-09-12	d003
10006	1953-04-20	Anneke	Preusig	F	1989-06-02	d005
10009	1952-04-19	Sumant	Peac	F	1985-02-18	d006
...