companyDB sql code

-----------------Create database-----------------------------------------------------

CREATE TABLE Employee

( fname VARCHAR(15) NOT NULL,

minit CHAR(1), -- The default of CHAR is also 1 byte

lname VARCHAR(15) NOT NULL,

ssn CHAR(9) PRIMARY KEY,

bdate DATE,

address VARCHAR(30),

sex CHAR(1),

salary DECIMAL(10,2),

superssn CHAR(9),

dno INT NOT NULL,

CONSTRAINT fk_emp_superssn FOREIGN KEY (superssn)

REFERENCES Employee(ssn)

ON DELETE SET NULL DEFERRABLE

);

CREATE TABLE Department

( dname VARCHAR(15) NOT NULL UNIQUE,

dnumber INT PRIMARY KEY,

mgrssn CHAR(9) NOT NULL,

mgrstartdate DATE,

CONSTRAINT fk_dept_emp_mgrssn FOREIGN KEY (mgrssn)

REFERENCES Employee(ssn)

ON DELETE SET NULL DEFERRABLE

);

ALTER TABLE Employee

ADD CONSTRAINT fk_emp_dept_dno FOREIGN KEY (dno)

REFERENCES Department(dnumber)

ON DELETE SET NULL;

CREATE TABLE Dept_locations

( dnumber INT NOT NULL,

dlocation VARCHAR(15) NOT NULL,

PRIMARY KEY (dnumber, dlocation),

CONSTRAINT fk_loc_dept_dnum FOREIGN KEY (dnumber)

REFERENCES Department(dnumber)

ON DELETE CASCADE

);

CREATE TABLE Project

( pname VARCHAR(15) NOT NULL UNIQUE,

pnumber INT PRIMARY KEY,

plocation VARCHAR(15),

dnum INT NOT NULL,

CONSTRAINT fk_proj_dept_dnum FOREIGN KEY (dnum)

REFERENCES Department(dnumber)

ON DELETE SET NULL

);

CREATE TABLE Works_on

( essn CHAR(9) NOT NULL,

pno INT NOT NULL,

hours DECIMAL(3,1) NOT NULL,

PRIMARY KEY (essn, pno),

CONSTRAINT fk_work_emp_essn FOREIGN KEY (essn)

REFERENCES Employee(ssn)

ON DELETE CASCADE,

CONSTRAINT fk_work_proj_pno FOREIGN KEY (pno)

REFERENCES Project(pnumber)

ON DELETE CASCADE

);

ALTER TABLE works_on

MODIFY hours DECIMAL(3,1) NULL;

CREATE TABLE Dependent

( essn CHAR(9) NOT NULL,

dependent_name VARCHAR(15) NOT NULL,

sex CHAR,

bdate DATE,

relationship VARCHAR(8),

PRIMARY KEY (essn, dependent_name),

CONSTRAINT fk_depend_emp_essn FOREIGN KEY (essn)

REFERENCES Employee(ssn)

ON DELETE CASCADE

);

-------------------------Insert data-----------------------------------------------------------------------------------------------------

SET CONSTRAINTS fk_dept_emp_mgrssn DEFERRED;

SET CONSTRAINTS fk_emp_superssn DEFERRED;

ALTER SESSION SET NLS_DATE_FORMAT = 'DD-MM-YYYY';

INSERT INTO Department VALUES ('Research', 5, '333445555', '22-05-1988');

INSERT INTO Department VALUES ('Administration', 4, '987654321', '01-01-1995');

INSERT INTO Department VALUES ('Headquarters', 1, '888665555', '19-06-1981');

INSERT INTO Employee VALUES ('John', 'B', 'Smith', '123456789', '09-01-1965', '731 Fondren, Houston, TX', 'M', 30000, '333445555', 5);

INSERT INTO Employee VALUES ('Franklin', 'T', 'Wong', '333445555', '08-12-1955', '638 Voss, Houston, TX', 'M', 40000, '888665555', 5);

INSERT INTO Employee VALUES ('Alicia', 'J', 'Zelaya', '999887777', '19-07-1968', '3321 Castle, Spring, TX', 'F', 25000, '987654321', 4);

INSERT INTO Employee VALUES ('Jennifer', 'S', 'Wallace', '987654321', '20-06-1941', '291 Berry, Bellaire, TX', 'F', 43000, '888665555', 4);

INSERT INTO Employee VALUES ('Ramesh', 'K', 'Narayan', '666884444', '15-09-1962', '975 Fire Oak, Humble, TX', 'M', 38000, '333445555', 5);

INSERT INTO Employee VALUES ('Joyce', 'A', 'English', '453453453', '31-07-1972', '5631 Rice, Houston, TX', 'F', 25000, '333445555', 5);

INSERT INTO Employee VALUES ('Ahmad', 'V', 'Jabbar', '987987987', '29-03-1969', '980 Dallas, Houston, TX', 'M', 25000, '987654321', 4);

INSERT INTO Employee VALUES ('James', 'E', 'Borg', '888665555', '10-11-1973', '450 Stone, Houston, TX', 'M', 55000, NULL, 1);

COMMIT;

ALTER SESSION SET NLS_DATE_FORMAT = 'DD-MM-YYYY';

INSERT INTO Dept_locations VALUES (1, 'Houston');

INSERT INTO Dept_locations VALUES (4, 'Stafford');

INSERT INTO Dept_locations VALUES (5, 'Bellaire');

INSERT INTO Dept_locations VALUES (5, 'Sugarland');

INSERT INTO Dept_locations VALUES (5, 'Houston');

INSERT INTO Project VALUES ('ProductX', 1, 'Bellaire', 5);

INSERT INTO Project VALUES ('ProductY', 2, 'Sugarland', 5);

INSERT INTO Project VALUES ('ProductZ', 3, 'Houston', 5);

INSERT INTO Project VALUES ('Computerization', 10, 'Stafford', 4);

INSERT INTO Project VALUES ('Reorganization', 20, 'Houston', 1);

INSERT INTO Project VALUES ('Newbenefits', 30, 'Stafford', 4);

INSERT INTO Works_on VALUES ('123456789', 1, 32.5);

INSERT INTO Works_on VALUES ('123456789', 2, 7.5);

INSERT INTO Works_on VALUES ('666884444', 3, 40.0);

INSERT INTO Works_on VALUES ('453453453', 1, 20.0);

INSERT INTO Works_on VALUES ('453453453', 2, 20.0);

INSERT INTO Works_on VALUES ('333445555', 2, 10.0);

INSERT INTO Works_on VALUES ('333445555', 3, 10.0);

INSERT INTO Works_on VALUES ('333445555', 10, 10.0);

INSERT INTO Works_on VALUES ('333445555', 20, 10.0);

INSERT INTO Works_on VALUES ('999887777', 30, 30.0);

INSERT INTO Works_on VALUES ('999887777', 10, 10.0);

INSERT INTO Works_on VALUES ('987987987', 10, 35.0);

INSERT INTO Works_on VALUES ('987987987', 30, 5.0);

INSERT INTO Works_on VALUES ('987654321', 30, 20.0);

INSERT INTO Works_on VALUES ('987654321', 20, 15.0);

INSERT INTO Works_on VALUES ('888665555', 20, NULL);

INSERT INTO Dependent VALUES ('333445555', 'Alice', 'F', '05-04-1986', 'Daughter');

INSERT INTO Dependent VALUES ('333445555', 'Theodore', 'M', '25-10-1983', 'Son');

INSERT INTO Dependent VALUES ('333445555', 'Joy', 'F', '03-05-1958', 'Spouse');

INSERT INTO Dependent VALUES ('987654321', 'Abner', 'M', '28-02-1942', 'Spouse');

INSERT INTO Dependent VALUES ('123456789', 'Michael', 'M', '04-01-1988', 'Son');

INSERT INTO Dependent VALUES ('123456789', 'Alice', 'M', '04-01-1988', 'Son');

INSERT INTO Dependent VALUES ('123456789', 'Elizabeth', 'M', '05-05-1967', 'Spouse');

[sql] companyDB

Viewer

Editor

Tools

[sql] companyDB

Viewer

Editor