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In: Computer Science

-- Creating table ProjDept: create table ProjDept ( ProjDeptID NUMBER(10) primary key, ProjDeptName varchar2(20), OfficeLocation varchar2(20),...

-- Creating table ProjDept:

create table ProjDept (

ProjDeptID NUMBER(10) primary key,

ProjDeptName varchar2(20),

OfficeLocation varchar2(20),

PhoneNumber varchar2(20)

);

INSERT INTO ProjDept (ProjDeptID, ProjDeptName, OfficeLocation, PhoneNumber) VALUES
(1001, 'Accounting','ITCC01-400','888-285-8100');
(2001, 'Human Resources','ITCC01-200','888-285-8100');
(3001, 'Marketing','ITCC02-300','888-285-8100');
(4001, 'Information Techn','ITCC02-100','888-285-8100');
(5001, 'Legal','ITCC01-100','888-285-8100');

-- Creating table Employee:

create table Employee(

EmployeeID NUMBER(10) primary key,

FirstName varchar2(20),

LastName varchar2(20),

ProjDeptID NUMBER(10),

PhoneNumber varchar2(20)


);

INSERT INTO Employee (EmployeeID, FirstName, LastName, ProjDeptID, PhoneNumber, Email) VALUES
(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]');
(74, 'Bryce','Daley', 5001, '888-285-8501', '[email protected]');
(83, 'Eva   Myers','Myers', 2001, '888-285-8203', '[email protected]');
(92, 'Lyn   Lorenzo','Lorenzo', 3001, '888-285-8305', '[email protected]');
(11, 'Jamaal   Holt','Holt', 3001, '888-285-8307', '[email protected]');


-- Creating table Project:

create table Project (

ProjectID NUMBER(10) primary key,

ProjectName varchar2(20),

ProjDeptID NUMBER(10),

MaxHours varchar2(20),

StartDate date,

EndDate date


);

INSERT INTO Project (ProjectID, ProjectName, ProjDeptID, MaxHours, StartDate, EndDate) VALUES
(901, 'Product Plan',3001,'135',TO_DATE ('10-May-12','DD-Mon-YYYY'),TO_DATE ('15-Sep-12','DD-Mon-YYYY'));
(902, 'Tax Preparation',1001,'120',TO_DATE ('05-Jul-12','DD-Mon-YYYY'),TO_DATE ('15-Oct-12','DD-Mon-YYYY'));
(903, 'Portfolio Analysis',5001,'145',TO_DATE ('10-Aug-12','DD-Mon-YYYY'),TO_DATE ('','DD-Mon-YYYY'));


-- Creating table ProjectTask:

create table ProjectTask (
ProjectID NUMBER(10),
EmployeeID NUMBER(10),
--TaskDetails varchar2(20),
HoursWorked varchar2(20),
primary key(ProjectID,EmployeeID)
);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES
(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);


   --ALTER table employee
ALTER table Employee
Add foreign key (ProjDeptID) references ProjDept(ProjDeptID);

   --ALTER Table Project

ALTER table Project
Add foreign key (ProjDeptID) references ProjDept(ProjDeptID);

   -- ALTERTable projectTask
ALTER table ProjectTask

Add foreign key (ProjectID) references Project(ProjectID);

ALTER table ProjectTask

Add foreign key (EmployeeID) references Employee(EmployeeID);



-- SQL statement to add a unique column that holds an email address in Employee table is as follows-


ALTER TABLE Employee ADD Email varchar(255);

ALTER TABLE Employee ADD UNIQUE(Email);

INSERT INTO Employee (EmployeeID, FirstName, LastName, ProjDeptID, PhoneNumber, Email) VALUES

(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]');
(74, 'Bryce','Daley', 5001, '888-285-8501', '[email protected]');
(83, 'Eva   Myers','Myers', 2001, '888-285-8203', '[email protected]');
(92, 'Lyn   Lorenzo','Lorenzo', 3001, '888-285-8305', '[email protected]');
(11, 'Jamaal   Holt','Holt', 3001, '888-285-8307', '[email protected]');

UPDATE Project
SET ProjectName = 'Product Plan' , MaxHours = 250,
WHERE LastName = 'Chris'
AND LastName = 'Martin';

How do i fix the issue because it is not running

Solutions

Expert Solution

create table ProjDept (
ProjDeptID NUMBER(10) primary key,
ProjDeptName varchar2(20),
OfficeLocation varchar2(20),
PhoneNumber varchar2(20));

INSERT INTO ProjDept (ProjDeptID, ProjDeptName, OfficeLocation, PhoneNumber) VALUES (1001, 'Accounting','ITCC01-400','888-285-8100');
INSERT INTO ProjDept (ProjDeptID, ProjDeptName, OfficeLocation, PhoneNumber) VALUES(2001, 'Human Resources','ITCC01-200','888-285-8100');
INSERT INTO ProjDept (ProjDeptID, ProjDeptName, OfficeLocation, PhoneNumber) VALUES(3001, 'Marketing','ITCC02-300','888-285-8100');
INSERT INTO ProjDept (ProjDeptID, ProjDeptName, OfficeLocation, PhoneNumber) VALUES(4001, 'Information Techn','ITCC02-100','888-285-8100');
INSERT INTO ProjDept (ProjDeptID, ProjDeptName, OfficeLocation, PhoneNumber) VALUES(5001, 'Legal','ITCC01-100','888-285-8100');

-- Creating table Employee:
create table Employee(
EmployeeID NUMBER(10) primary key,
FirstName varchar2(20),
LastName varchar2(20),
ProjDeptID NUMBER(10),
PhoneNumber varchar2(20)
);

-- SQL statement to add a unique column that holds an email address in Employee table is as follows-

ALTER TABLE Employee ADD Email varchar(255);

ALTER TABLE Employee ADD UNIQUE(Email);

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


-- Creating table Project:

create table Project (
ProjectID NUMBER(10) primary key,
ProjectName varchar2(20),
ProjDeptID NUMBER(10),
MaxHours varchar2(20),
StartDate date,
EndDate date);

INSERT INTO Project (ProjectID, ProjectName, ProjDeptID, MaxHours, StartDate, EndDate) VALUES
(901, 'Product Plan',3001,'135',TO_DATE ('10-May-12','DD-Mon-YYYY'),TO_DATE ('15-Sep-12','DD-Mon-YYYY'));
INSERT INTO Project (ProjectID, ProjectName, ProjDeptID, MaxHours, StartDate, EndDate) VALUES(902, 'Tax Preparation',1001,'120',TO_DATE ('05-Jul-12','DD-Mon-YYYY'),TO_DATE ('15-Oct-12','DD-Mon-YYYY'));
INSERT INTO Project (ProjectID, ProjectName, ProjDeptID, MaxHours, StartDate, EndDate) VALUES(903, 'Portfolio Analysis',5001,'145',TO_DATE ('10-Aug-12','DD-Mon-YYYY'),TO_DATE ('','DD-Mon-YYYY'));


-- Creating table ProjectTask:

create table ProjectTask (
ProjectID NUMBER(10),
EmployeeID NUMBER(10),
--TaskDetails varchar2(20),
HoursWorked varchar2(20),
primary key(ProjectID,EmployeeID)
);

INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(901,47, 30);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(901,56,75);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(901,38, 55);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(902,65, 40);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(902,10, 45);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(902,74, 25);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(903,74, 20);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(903,83, 45);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(903,29, 40);
INSERT INTO ProjectTask (ProjectID, EmployeeID, HoursWorked) VALUES(901,74, 35);


--ALTER table employee
ALTER table Employee
Add foreign key (ProjDeptID) references ProjDept(ProjDeptID);

--ALTER Table Project

ALTER table Project
Add foreign key (ProjDeptID) references ProjDept(ProjDeptID);

-- ALTERTable projectTask
ALTER table ProjectTask

Add foreign key (ProjectID) references Project(ProjectID);

ALTER table ProjectTask

Add foreign key (EmployeeID) references Employee(EmployeeID);

venereology answered 1 month ago
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