There are 6 questions listed below. Based on the content in the M05 Readings, answer each question. After completing, save and execute your scripts in Oracle Application Express.

https://apex.oracle.com/pls/apex/f?p=4550:1:95346704569:::::

Upload a copy of each of your scripts to IvyLearn.

• M05_LastNameFirstName_CreateTables
• M05_LastNameFirstName_Constraints
• M05_LastNameFirstName_Alter
• M05_LastNameFirstName_InsertInto
• M05_LastNameFirstName_Update

*Note: For fields that exist in multiple tables, data type and size should be the same (i.e. ProjDeptID exists in ProjDept, Employee, and Task tables; the datatype for the ProjDeptID in each of these tables should be the same).  When creating tables, consider data that is dependent on each other (i.e. primary key fields must always be created before foreign keys can reference them).  For the data entry is time consuming; be sure to allot enough time to complete the data entry portion of this assignment.  To successfully insert your statements, use the same table names that used in when creating the tables for this assignment. When entering data, consider data that is dependent on each other (i.e. primary key data must always be added before foreign keys). Required fields must have data.

(40 points) Based on the Entity Relationship Diagram (shown on page 3) for the Employee Projects Database, complete the following:

1. Write the SQL statements for creating the tables for the Employee Projects Database. Save these statements in a script called M05_LastNameFirstName_CreateTables (where LastName is your last name and FirstName is your first name). Run/execute these commands in Oracle Application Express. Upload a copy of your script to IvyLearn.

• ID fields use NUMBER(x) datatype
• Date fields use DATE datatype
• Any field that will be a string use the VARCHAR2(x) datatype, where x is the appropriate size of the field
  • To assist with choosing sizes for the datatypes, some examples of the data for each table created can be found on the last page of this assignment.

2. Write the SQL statements for altering the tables in the Employee Projects Database to define the primary key and foreign key constraints. Save these statements in a script called M05_LastNameFirstName_Constraints (where LastName is your last name and FirstName is your first name). Run/execute these commands in Oracle Application Express. Upload a copy of your script to IvyLearn. If the primary key and foreign key constraints have been created in the previous script, ignore this step.
3. Write the SQL statements for the altering the following tables. Save these statements in a script called M05_LastNameFirstName_Alter (where LastName is your last name and FirstName is your first name). Run/execute these commands in Oracle Application Express. Upload a copy of your script to IvyLearn.

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   • Employee – add a unique column that holds an email address
4. Create the SQL DML statements for inserting rows of data into the tables for the Employee Projects Database. Save these statements in a script called M05_LastNameFirstName_InsertInto (where LastName is your last name and FirstName is your first name). Run/execute these commands in Oracle Application Express. Upload a copy of your script to IvyLearn.
5. Create the SQL DML statements for updating the task details in the Project Task table in the Employee Projects Database. Save these statements in a script called M05_LastNameFirstName_Update (where LastName is your last name and FirstName is your first name). Run/execute these commands in Oracle Application Express. Upload a copy of your script to IvyLearn.
6. In each script created above, include the following comments:

 

• At the beginning of the script include your name, the date, and the name of the script and a summary of what the script will do.
• Throughout the script, include comments to describe briefly what each section of script will do.

For fields that are marked as *, these are required/mandatory fields.

For fields that are marked as °, these are optional fields.
Primary key and foreign key fields have been labelled accordingly.

 

ProjDept Data

ProjDeptID	ProjDeptName	OfficeLocation	PhoneNumber
1001	Accounting	ITCC01-400	888-285-8100
2001	Human Resources	ITCC01-200	888-285-8200
3001	Marketing	ITCC02-300	888-285-8300
4001	Information Technology	ITCC02-100	888-285-8400
5001	Legal	ITCC01-100	888-285-8500

 

Employee Data

EmployeeID	FirstName	LastName	ProjDeptID	PhoneNumber	Email
10	Mark	Columbus	1001	888-285-8101	[email protected]
29	Elvin	Wahl	2001	888-285-8201	[email protected]
38	Taylor	Noel	3001	888-285-8303	[email protected]
47	Ariel	Colby	4001	888-285-8401	[email protected]
56	Riley	Peterson	4001	888-285-8402	[email protected]
65	Terence	Ferdinand	1001	888-285-8102	[email protected].com
74	Bryce	Daley	5001	888-285-8501	[email protected]
83	Eva	Myers	2001	888-285-8203	[email protected]
92	Lyn	Lorenzo	3001	888-285-8305	[email protected]
11	Jamaal	Holt	3001	888-285-8307	[email protected]

 

Project Data

When inserting into this table, use the following format to help with the start dates and end dates. Start date/End date will be replaced with the data values exactly as they are shown in the Start Date/End date column.

INSERT INTO Project VALUES (ProjectID, ProjectName, ProjDeptID, MaxHours, TO_DATE (StartDate,’DD-Mon-YYYY’), TO_DATE (EndDate,’DD-Mon-YYYY’));

Project Data

ProjectID	ProjectName	ProjDeptID	MaxHours	StartDate	EndDate
901	Product Plan	3001	135	10-May-12	15-Sep-12
902	Tax Preparation	1001	120	05-Jul-12	15-Oct-12
903	Portfolio Analysis	5001	145	10-Aug-12

 

Project Task Data

ProjectID	EmployeeID	HoursWorked
901	47	30
901	56	75
901	38	55
902	65	40
902	10	45
902	74	25
903	74	20
903	83	45
903	29	40
901	74	35
902	56	80

 

UPDATE Project Task Data

To update the Task Details table, you will have to use the AND keyword in your WHERE clause. Look at the format below.

 

UPDATE tablename

SET columname = value

WHERE condition1 = value AND condition2 = value

 

ProjectID	EmployeeID	TaskDetails
901	47	Payments
901	56	Error checking
901	38	User management
902	65	Annual Accounts
902	10	Research requirements
903	83	Overview
903	29	Error checking

 

 

 

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