Homework Answers
1) SQL Query to display current date;
SELECT CURDATE() as Date;
2)
SELECT empno as EMPNO,ename as ENAME, sal as SAL, ROUND(sal*0.15)
as [New Salary]
FROM emp
WHERE deptno=10;
4) SELECT empno as EMPNO,ename as ENAME, sal as SAL,
ROUND(sal*1.15) as [New Salary], ROUND(sal*1.15)-sal as
Increase
FROM emp
WHERE deptno=10;
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emp table in bellow:
5. Query data from emp table for each non-deptno 20 employees to...
The following ERD and two tables represent a partial model similar to what we used in...
The following ERD and two tables represent a partial model similar to what we used in class. Answer all questions by writing SQL syntax to solve each. If a question requires more time, please move on to the next. Employee EmpNo (PK) Ename Job ManagerID HireDate Salary Commission DeptNo (FK) Department DeptNo Dname Location 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS 30 SALES CHICAGO 40 OPERATIONS BOSTON Department DeptNo (PK) Dname Location 1400 Employee Monthly EmpNo Ename Job ManagerID HireDate...
-- echo Building demo tables. Please wait. DROP TABLE EMP CASCADE CONSTRAINTS; DROP TABLE DEPT; DROP...
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1. Create a PL/SQL program block that determines the top students with respect to GPA. Assume...
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CREATE TABLE DEPT ( DEPTNO INTEGER NOT NULL, DNAME VARCHAR(14), LOC VARCHAR(13), PRIMARY KEY (DEPTNO)); INSERT...
CREATE TABLE DEPT (
DEPTNO INTEGER NOT NULL,
DNAME VARCHAR(14),
LOC VARCHAR(13),
PRIMARY KEY (DEPTNO));
INSERT INTO DEPT VALUES (10,'SPORTS','NEW YORK');
INSERT INTO DEPT VALUES (20,'HOME','DALLAS');
INSERT INTO DEPT VALUES (30,'OUTDOOR','CHICAGO');
INSERT INTO DEPT VALUES (40,'CLOTHING','BOSTON');
CREATE TABLE EMP (
EMPNO INTEGER NOT NULL,
ENAME VARCHAR(10),
JOB VARCHAR(9),
MGR INTEGER,
SAL FLOAT,
COMM FLOAT,
DEPTNO INTEGER NOT NULL,
FOREIGN KEY (DEPTNO) REFERENCES DEPT (DEPTNO),
FOREIGN KEY (MGR) REFERENCES EMP(EMPNO),
PRIMARY KEY (EMPNO));
INSERT INTO EMP VALUES (7839,'KING','PRESIDENT',NULL,
5000,NULL,10);
INSERT INTO...
SQL query: Write a SQL statement using the employees table and retrieve employees whose monthly salary...
SQL query: Write a SQL statement using the employees table and retrieve employees whose monthly salary (including their commission) is greater or equal to 5,000 but less than or equal to 17,000 (we are assuming the salary on the table is monthly). In other words, if their monthly salary was 1000 and their commission was .2, their total monthly salary would be 1200 and given the criteria above this instance would not be selected. Please display the full name of...
SQL Query Question: I have a database with the tables below, data has also been aded...
SQL Query Question: I have a database with the tables below, data has also been aded into these tables, I have 2 tasks: 1. Add a column to a relational table POSITIONS to store information about the total number of skills needed by each advertised position. A name of the column is up to you. Assume that no more than 9 skills are needed for each position. Next, use a single UPDATE statement to set the values in the new...
Lesson 10Create the DEPARTMENT tables based on the following: Column Name ID Name Data Type Number...
Lesson 10Create the DEPARTMENT tables based on the following: Column Name ID Name Data Type Number Varchar2 Length 7 25 Populate the DEPARTMENT table with data from the DEPT table. Include only columns that you need. Create the EMPLOYEE table based on the following table chart: Column Name ID LAST_NAME FIRST_NAME DEPT_ID Data Type Number Varchar2 Varchar2 Number Length 7 25 25 7 Modify the EMPLOYEE table to allow for longer employee last names. Confirm your modification. Confirm that both the...
Please help me on the SQL queries, thank you so much. Write a query to display the title and publisher as well as the p...
Please help me on the SQL
queries, thank you so much.
Write a query to display the
title and publisher as well as the publisher contact for each book
using JOIN...USING clause.
Write a query to show the
first and last names of customers who have ordered cooking books.
Use the WHERE clause to join the tables.
Write a query to show the
title, cost and ISBN of each book in the books table. If the book
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I need help for SQL homework. the question: the code for part 1,2: drop table Customer;...
I need help for SQL homework.
the question:
the code for part 1,2:
drop table Customer;
drop table Company;
drop table Cruise;
drop table TravelAgent;
drop table Reservation;
drop sequence customerID_seq;
drop sequence cruiseID_seq;
drop sequence travelAgentID_seq;
drop sequence reservationID_seq;
create table Customer(
customerID number,
firstName varchar2(15),
lastName varchar2(15),
address varchar2(30),
phone number(10) not null,
age number(3),
Constraint Customer_PK Primary Key (customerID),
constraint Customer_unique unique (firstName,lastName,phone),
constraint Customer_check check(phone is not null)
);
create sequence customerID_seq
start with 1
increment...
The following ERD and two tables represent a partial model similar to what we used in class. Answer all questions by writing SQL syntax to solve each. If a question requires more time, please move on to the next. Employee EmpNo (PK) Ename Job ManagerID HireDate Salary Commission DeptNo (FK) Department DeptNo Dname Location 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS 30 SALES CHICAGO 40 OPERATIONS BOSTON Department DeptNo (PK) Dname Location 1400 Employee Monthly EmpNo Ename Job ManagerID HireDate...
CREATE TABLE DEPT (
DEPTNO INTEGER NOT NULL,
DNAME VARCHAR(14),
LOC VARCHAR(13),
PRIMARY KEY (DEPTNO));
INSERT INTO DEPT VALUES (10,'SPORTS','NEW YORK');
INSERT INTO DEPT VALUES (20,'HOME','DALLAS');
INSERT INTO DEPT VALUES (30,'OUTDOOR','CHICAGO');
INSERT INTO DEPT VALUES (40,'CLOTHING','BOSTON');
CREATE TABLE EMP (
EMPNO INTEGER NOT NULL,
ENAME VARCHAR(10),
JOB VARCHAR(9),
MGR INTEGER,
SAL FLOAT,
COMM FLOAT,
DEPTNO INTEGER NOT NULL,
FOREIGN KEY (DEPTNO) REFERENCES DEPT (DEPTNO),
FOREIGN KEY (MGR) REFERENCES EMP(EMPNO),
PRIMARY KEY (EMPNO));
INSERT INTO EMP VALUES (7839,'KING','PRESIDENT',NULL,
5000,NULL,10);
INSERT INTO...
Please help me on the SQL
queries, thank you so much.
Write a query to display the
title and publisher as well as the publisher contact for each book
using JOIN...USING clause.
Write a query to show the
first and last names of customers who have ordered cooking books.
Use the WHERE clause to join the tables.
Write a query to show the
title, cost and ISBN of each book in the books table. If the book
has been ordered,...
I need help for SQL homework.
the question:
the code for part 1,2:
drop table Customer;
drop table Company;
drop table Cruise;
drop table TravelAgent;
drop table Reservation;
drop sequence customerID_seq;
drop sequence cruiseID_seq;
drop sequence travelAgentID_seq;
drop sequence reservationID_seq;
create table Customer(
customerID number,
firstName varchar2(15),
lastName varchar2(15),
address varchar2(30),
phone number(10) not null,
age number(3),
Constraint Customer_PK Primary Key (customerID),
constraint Customer_unique unique (firstName,lastName,phone),
constraint Customer_check check(phone is not null)
);
create sequence customerID_seq
start with 1
increment...
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