Search all employee who work total on all project less than 40 hrs from works_on table.
Please give me a query for this.
Homework Answers
Select Fname, Lname, Sum(Hours) as Total_Hours FROM
WORKS_ON
INNER JOIN EMPLOYEE ON Ssn = Essn
GROUP BY Essn
ORDER BY Ssn;
Please check the code. If you have any doubts comment below and I am happy to help :)
Add Answer to:
Search all employee who work total on all project less than 40
hrs from works_on table....
(SELECT pnumber FROM project, department, employee WHERE dnum=dnumber AND mgr_ssn=ssn AND lname='Smith') UNION (SELECT pnumber FROM...
(SELECT pnumber
FROM project, department, employee
WHERE dnum=dnumber AND mgr_ssn=ssn AND lname='Smith')
UNION
(SELECT pnumber
FROM project, works_on, employee
WHERE pnumber=pno AND essn=ssnAND lname='Smith')
Can you draw the relation step by step , how to solve it
?!
Figure 5.6 One possible database state for the COMPANY relational database schema. EMPLOYEE Sex Salary Super ssn Dno B Smith 123456789 1965-01-09 731 Fondren, Houston, TX M 30000 3334455555 Ssn Fname Minit Lname John Franklin TWong 333445555 1955-12-08 638 Voss, Houston, TXM40000...
Use the tables in the next page to answer the following questions in SQL. 1. Print...
Use the tables in the next page to answer the following questions in SQL. 1. Print the names of employees who work in a project located in Houston. 2. Print the names of employees with no dependents. 3. Print the names of employees who are managers. 4. Print the names of employees who have more than one wife. 5. Print the names of employees who work in all the projects. EMPLOYEE Frame John Franklin Minit B T S K A...
write the following queris in sql : a) Using nested query , retreive the sependent names...
write the following queris in sql :
a) Using nested query , retreive the sependent names of male
employees whose salary > 30000
b ) list the female employee, who are not managers
EMPLOYEE Fname MinitLname John Franklin T Wong 333445555 1955-12-08 638 Voss, Houston, TX M 4 Ssn Sex Salary Super sen Dno B Smith 123456789 1965 01-09 731 Fondren, Houston, TX M 30000 13334455 AliciaZelaya 999987777 1968-01-19 3321 Castle, Spring, TXF Jennifer S Wallace 987654321 1941-06-20 291 Berry,...
Please provide the relation algebra, the oracle SQL code and the output tuples for the following (Answer #6 only the BONUS question). I have the others actually I have the BONUS, but I want to compar...
Please provide the relation algebra, the oracle SQL code and the
output tuples for the following (Answer #6 only the BONUS
question). I have the others actually I have the BONUS, but I want
to compare with your solution to make sure I did it correctly.
Thank you very much!
LAB exercises 2 Write the Oracle DML query codes for the following questions and take the screen shot of the output. 1. Retrieve the name and address of all employees...
Query #2: List the name of the project and total number of hours worked on by...
Query #2: List the name of the project and total number of hours worked on by all the employees on this project, also report the number of employees working on each project. Database: //STEP #1: CREATE TABLE employee ( fname varchar(15) not null, minit varchar(1), lname varchar(15) not null, ssn char(9), bdate date, address varchar(50), sex char, salary decimal(10,2), Super_ssn char(9), dno char(4), primary key (ssn)); CREATE TABLE department ( dname varchar(25) not null, dnumber char(4), Mgr_ssn char(9) not null,...
Book: Fundamental of database systems Chapter 5 exercise 5.9 Figure 3-6 here provides examples on how...
Book: Fundamental of database systems
Chapter 5 exercise 5.9
Figure 3-6 here provides examples on how to answer this
question:
Photos - 20190906_111020[3691].jpg -ox See all photos + Add to Edit & Create Share : Q u ♡ 2 # d. A view that has the project name, controm of employees, and total hours worked per week on the project for each project with more than one employee working on it. 5.9. Consider the following view, DEPT SUMMARY, defined on...
Query 1: Retrieve names of all the projects as well as First and Last name of...
Query 1: Retrieve names of all the projects as well as First and Last name of managers if they are working on any of these projects. Database: //STEP #1: CREATE TABLE employee ( fname varchar(15) not null, minit varchar(1), lname varchar(15) not null, ssn char(9), bdate date, address varchar(50), sex char, salary decimal(10,2), Super_ssn char(9), dno char(4), primary key (ssn)); CREATE TABLE department ( dname varchar(25) not null, dnumber char(4), Mgr_ssn char(9) not null, Mgr_start_date date, primary key (dnumber)); CREATE...
drop table department cascade constraints; create table department ( Dname varchar2(15) not null, Dnumber int not...
drop table department cascade constraints;
create table department (
Dname varchar2(15) not null,
Dnumber int not null,
Mgr_ssn char(9) not null,
mgr_start_date Date,
primary key (Dnumber),
Unique (Dname));
insert into DEPARTMENT values ('Research', '5', '333445555',
'22-May-1988');
insert into DEPARTMENT values ('Administration', '4', '987654321',
'01-Jan-1995');
insert into DEPARTMENT values ('Headquarters', '1', '888665555',
'19-Jun-1981');
drop table employee cascade constraints;
create table employee (
Fname varchar2(15) not null,
Minit char(1),
Lname varchar2(15) not null,
Ssn char(9),
Bdate date,
Address varchar2(30),
Sex char(1),...
I need help with the following SQL query for a company database (script given below). The...
I need help with the following SQL query for a company database (script given below). The name of the Department. The number of employees working in that department. The number of different projects controlled by this department. The name of the project controlled by this department that has the maximum number of employees of the company working on it. The number of the above project. The cumulative sum of the number of employees of the company working on the projects...
Oracle SQL Assignment 4 - List the name of supervisor who has more supervisee than other...
Oracle SQL Assignment 4
- List the name of supervisor who has more supervisee than other
supervisors.
The supervisor would be the Mgr_ssn from the Department table.
Each employee from the Employee table has a Super_ssn which would
be their supervisor.
1 to this PC Picture Tools ew Help Acrobat Storyboarding FormatTell me what you want to de Picture Bonde A Bring Send Selection Tent Pictu楩Layout . | | Forward. Backward . Pane Figure 3.6 One possibie database state for...
(SELECT pnumber
FROM project, department, employee
WHERE dnum=dnumber AND mgr_ssn=ssn AND lname='Smith')
UNION
(SELECT pnumber
FROM project, works_on, employee
WHERE pnumber=pno AND essn=ssnAND lname='Smith')
Can you draw the relation step by step , how to solve it
?!
Figure 5.6 One possible database state for the COMPANY relational database schema. EMPLOYEE Sex Salary Super ssn Dno B Smith 123456789 1965-01-09 731 Fondren, Houston, TX M 30000 3334455555 Ssn Fname Minit Lname John Franklin TWong 333445555 1955-12-08 638 Voss, Houston, TXM40000...
Use the tables in the next page to answer the following questions in SQL. 1. Print the names of employees who work in a project located in Houston. 2. Print the names of employees with no dependents. 3. Print the names of employees who are managers. 4. Print the names of employees who have more than one wife. 5. Print the names of employees who work in all the projects. EMPLOYEE Frame John Franklin Minit B T S K A...
write the following queris in sql :
a) Using nested query , retreive the sependent names of male
employees whose salary > 30000
b ) list the female employee, who are not managers
EMPLOYEE Fname MinitLname John Franklin T Wong 333445555 1955-12-08 638 Voss, Houston, TX M 4 Ssn Sex Salary Super sen Dno B Smith 123456789 1965 01-09 731 Fondren, Houston, TX M 30000 13334455 AliciaZelaya 999987777 1968-01-19 3321 Castle, Spring, TXF Jennifer S Wallace 987654321 1941-06-20 291 Berry,...
Please provide the relation algebra, the oracle SQL code and the
output tuples for the following (Answer #6 only the BONUS
question). I have the others actually I have the BONUS, but I want
to compare with your solution to make sure I did it correctly.
Thank you very much!
LAB exercises 2 Write the Oracle DML query codes for the following questions and take the screen shot of the output. 1. Retrieve the name and address of all employees...
Book: Fundamental of database systems
Chapter 5 exercise 5.9
Figure 3-6 here provides examples on how to answer this
question:
Photos - 20190906_111020[3691].jpg -ox See all photos + Add to Edit & Create Share : Q u ♡ 2 # d. A view that has the project name, controm of employees, and total hours worked per week on the project for each project with more than one employee working on it. 5.9. Consider the following view, DEPT SUMMARY, defined on...
drop table department cascade constraints;
create table department (
Dname varchar2(15) not null,
Dnumber int not null,
Mgr_ssn char(9) not null,
mgr_start_date Date,
primary key (Dnumber),
Unique (Dname));
insert into DEPARTMENT values ('Research', '5', '333445555',
'22-May-1988');
insert into DEPARTMENT values ('Administration', '4', '987654321',
'01-Jan-1995');
insert into DEPARTMENT values ('Headquarters', '1', '888665555',
'19-Jun-1981');
drop table employee cascade constraints;
create table employee (
Fname varchar2(15) not null,
Minit char(1),
Lname varchar2(15) not null,
Ssn char(9),
Bdate date,
Address varchar2(30),
Sex char(1),...
Oracle SQL Assignment 4
- List the name of supervisor who has more supervisee than other
supervisors.
The supervisor would be the Mgr_ssn from the Department table.
Each employee from the Employee table has a Super_ssn which would
be their supervisor.
1 to this PC Picture Tools ew Help Acrobat Storyboarding FormatTell me what you want to de Picture Bonde A Bring Send Selection Tent Pictu楩Layout . | | Forward. Backward . Pane Figure 3.6 One possibie database state for...
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