Write SQL Queries for the following Select the employee name and no of departments each employee works for Select the employee names with salary greater than average salary of all employees Select the department names with no manager assigned yet. Select the employee names who work for more than 1 department. Select the employee names and their manager names (keep in mind, one employee works for multiple departments so they will have multiple managers). Select the name and salary of the employee with the second highest salary.
Write SQL Queries for the following Select the employee name and no of departments each employee...
I have already turned in my HW, I need some understanding of the
below SQL queries.
1. Find the number of employees in each department.
2. List the names of departments that have more than 5 employees
working there.
3. Retrieve the lowest and highest salary in each department.
Output the department name in alphabetical order.
Consider the following relational schema. An employee can work in more than on department; also, the percentTime field of the Works relations shows the...
Consider the following relational schema. An employee can work in more than one department; the pct time field of the Works relation shows the percentage of time that a given employee works in a given department. Emp(eid: integer, ename: string, phone: integer, salary: real) Works(eid: integer, did: integer, pct_time: integer) Dept(did: integer, dname: string, budget: real, managerid: integer) Write the following SQL queries. d) Find the enames of managers who manage the departments with the largest budgets. e) Find the...
- Consider the following relational schema. - Write SQL statements for the following queries employee fname CHARACTER VARYING (15) minit CHARACTER VARYING(1) InameCHARACTER VARYING(15) essn CHARACTERO) bdate DATE address CHARACTER VARYING(50) dependent works on CHARACTERO dependent name CHARACTER VARYING(15) essn CHARACTER(9) pno NUMERIC hours NUMERIC CHARACTER() DATE CHARACTER VARYING(B) bdate CHARACTER(1) dept locations elationship salary NUMERIC super ssn CHARACTERO) dno dno NUMERIC dlocation CHARACTER VARYING(15) NUMERIC department CHARACTER VARYING(25) NUMERIC CHARACTERO) project dno mgssn mgstartdate DATE pname CHARACTER VARYING(25) pno...
10. For each employee in the department with code
ACCNT, find the employee ID and number of assigned hours that the
employee is currently working on projects for other departments.
Only report an employee if she has some current project to which
she is assigned more than 50% of the time and the project is for
another department. Report the results in ascending order by
hours.
11. Find all departments where all of their employees
are assigned to all of...
Consider the relational database schema for a company below. EMPLOYEE/NAME, SSN, BDATE, ADDRESS, SEX, SALARY, SUPERSSN, DNA) TA DEPARTMENT(DNAME, DNUMBER. MESSINS, MGRSTARTDATE) DEPT_LOCATIONS(DNUMBER. DLOCATION PROJECT(PNAME, PNUMBER. PLOCATION, DNLIM) WORKS_ONCESSN.PNG, HOURS) DEPENDENTESSN, DEPENDENT-NAME, SEX, BDATE, RELATIONSHIP) Write SQL statements for the following queries: a) List the names of those employees who work in the "Production" department (6 marks). b) Find the maximum salary, minimum salary, and the average salary among employees who work for the "Production department (6 marks). Count the...
Write SQL authorization statements on the employee table as per the following requirements: Employee (id, name, job_name, dept_name, salary) - You have three managers with manager1, manager2 and manager3 user ids. All of them are members of the role manager. - All managers have the same privileges: select, insert, update, delete. - No managers can transfer his privileges on the employee table.
Please refer to the following business scenarios:
(i) Using SELECT statements of SQL, find the employee id, first
name, last name, job title and email of all employees working in
Asia (i.e. all countries coming from the region
‘Asia’). This query must be implemented
as a nested query!
(ii) Using SELECT statements of SQL, find the employee id, first
name, last name, job title and supervisor id of employees who had
worked for more than 3 years and completed...
Based on the schemas given below, give the appropriate “SQL” and “Relational algebra” statements for the given queries Marking scheme: 1 mark for each correct syntax for SQL and Relational Algebra Employee (fname, Iname, ssn, sex, salary, dno) Department (dname, dno, managersn, dlocation) Project (pname, pno, plocation, dno) a) Find out which department “Evelyn" is working in. b) Retrieve the names of all the projects which are located in “Isa Town". c) Count the number of employees who receive a...
Consider the emp table and answer all following queries. 1. List all employees’ names and their number. 2. List all the employees’ names and their department number. 3. List employee names and their salary who are working as Analyst. 4. List all the details of the employees whose salary is greater than 2000. 5. List all details of salesman. 6. List employee name , employee number and his hiring date . 7. List employee name, job and salary who are...
Use the HR database for all the questions in this lab. For each item in this lab, paste the SQL you used to complete the task and the number of rows retrieved. Ensure you follow the coding standards listed in the ETSU SQL standards guide found on D2L. Save this document as a PDF and name it your_name_lab7.pdf Display the employees’ first name, last name and phone number of employees with salaries greater than 10,000 dollars. SELECT first_name, last_name, phone_number,...