Write a script to establish a foreign key constraint

Question

1: Write a script to create an EMPLOYEES table in the AdventureWorksLT database using the following specifications:

Column Name	Datatype	Primary Key (Y/N)	Nullable (Y/N)
EmployeeID	Integer	Y	N
Hire Date	datetime	N	Y
LastName	Character (20)	N	N
FirstName	Character (10)	N	N
PostalCode	Character (10)	N	Y
Region	Character (15)	N	Y
Title	Character (30)	N	Y
County	Character (20)	N	Y

2: Write a script to create a REGIONS table in the AdventureWorksLT database using the following specifications:

Column Name	Datatype	Primary Key (Y/N)	Nullable (Y/N)
RegionID	Integer	Y	N
RegionDescription	Character (50)	N	N

3: Write a script to create a DEPARTMENTS table in the AdventureWorks database using the following specifications:

Column Name	Datatype	Primary Key (Y/N)	Nullable (Y/N)
DepartmentID	Integer	Y	N
DepartmentDescription	Character (50)	N	N

4: Write a script to add the following records to the EMPLOYEES table:

1	6/7/1998	Sellers	Andrew	12345	IL	Administrator	Cook
2	3/15/1987	Jones	Jim	40677	IL	CEO	Dupage
3	4/5/2000	Johnson	Jennifer	89036	CA	Manager	Kings
4	11/19/2000	Lark	Ron	23435	NY	Manager	Queens
5	4/6/2008	Buchanan	Steven	74536	VA	Administrator	Richmond

5: Write a script to add the following records to the REGIONS table:

1	Eastern
2	Western
3	Northern
4	Southern

6: Write a script to add the following records to the DEPARTMENTS table:

10	CEO
20	Sales
30	Marketing

7: Write a script to add the following column to the EMPLOYEES table:

Column Name	Datatype	Primary Key (Y/N)	Nullable (Y/N)
DepartmentID	Integer	N	N

8: Write a script to establish a foreign key constraint between EMPLOYEES and DEPARTMENTS using the common field: DepartmentID;

9: Create a database diagram of the final database clearly depicting all tables and relationships.

Submit the SQL, DDL, and DML scripts needed to complete tasks and the database diagram of the final database.