Practical Tasks for Database SystemsQuestion:1Show all data from employee table where name should be in ascending and salary indescending order.Question:2Show the total length of (eno, deptno). joined it and rename by function from the employeetable?Question:3Show the ename first 3 alphabets of manager?Question:4Write a query that show the manager data like this.enamejob***MANAGER*** MANAGERJONESBLAKEQuestion:5Calculate the percentage of any student and round to 0 digit?Question:6Show the last date of December 2014?Question:7Show the date of next data base class and rename by cs-400?Question:8Convert today date to character?

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Answered: Question:1 Show all data from employee…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Write a query that returns the EMP_NUM and Number of ratings he/she earned (based on EARNEDRATING table, call this Num_RTG), for those who had at least got 1 rating earned, but the number of ratings he/she earned must lower than the average number of ratings for all employees who had earned ratings before, and such employee has been served as “Copilot” before.
1. Write a query that displays the first and last name of every patron, sorted by last name and then first name. Ensure the sort is case insensitive (50 rows) PAT_FNAME Vera Holly Cedric Cory Nadine Erika Gerald Ollie robert Keith PAT_LNAME Alvarado Anthony Baldwin Barry Blair Bowen Burke Cantrell carter Cooley
Q. Please write SQL codes to query data from member tables based on below criteria Please write a SELECT statement to display each member’sdata that member_id is an odd number. Please display the result in ascending order of the last_name. The result should be identical to below results: [Screenshot]
Task 3: The Car Maintenance team wants to insert and store the following maintenance types to the MAINTENANCE_TYPES table: ID: 1; Description: Tire Change; Price: 50 ID: 2; Description; Oil Change; Price: 45 ID: 3; Description; Full Cleaning; Price: 100 ID: 4; Description; Gas Pump Change; Price: 145 SQL Database Add the four maintenance types to the MAINTENANCE_TYPES table Test Query SELECT * FROM MAINTENANCE_TYPES Expected Results MAINTENANCE_TYPE_ID MAINTENANCE_TYPE_DESCRIPTION MAINTENANCE_PRICE 1 Tire Change 50 2 Oil Change 45 3 Full Cleaning 100 4 Gas Pump Change 145
Some rows of the table STUDENT are shown below: CODE NAME DEPARTMENT GPA YEAR 291 ALEX PSI 3.1 1992 938 MICHELE PHY 2.3 1992 931 JHON MD 3.3 2001 182 JOE MD 3.4 2002 190 REY PHY 2.0 2001 330 RON PSI 3.9 2001 You want the name all departments that have a department GPA average of 2004 greater than the global GPA average. Which query gives you the desired result? a. SELECT DEPARTMENT FROM STUDENT WHERE YEAR = 2004 GROUP BY DEPARTMENT HAVING AVG(GPA) > (SELECT AVG(GPA) FROM STUDENT); b. SELECT DEPARTMENT FROM STUDENT WHERE YEAR = 2004 AND AVG(GPA) > (SELECT AVG(GPA) FROM STUDENT) GROUP BY DEPARTMENT; c. SELECT DEPARTMENT FROM STUDENT WHERE YEAR = 2004 GROUP BY DEPARTMENT HAVING AVG(GPA) > (SELECT GPA FROM STUDENT GROUP BY DEPARTMENT); d. SELECT * FROM STUDENT WHERE YEAR = 2004 GROUP BY DEPARTMENT HAVING AVG(GPA) > (SELECT AVG(GPA) FROM STUDENT);
Write a query that displays the book title, cost, and year of publication for every book in the system. Sort the results by book title.
Write a query that returns the Name of ALL Customers (based on CUS_FNAME and CUS_LNAME in CUSTOMER table, call this CUSTOMER_NAME), Phone number of ALL Customers (based on CUS_AREACODE and CUS_PHONE in CUSTOMER table, call this CUSTOMER_PHONE), for those haven’t flied before (based on the record in CHARTER table).
Employee table: (E_Id,E_name,dept_name,Salary) Write Update query Increase salary by 5000 if salary between 30000 to 35000 Increase salary by 7000 if salary between 35001 to 41000 Increase salary by 9000 if salary between 41001 to 46000
Q1. Please write a query statement from emp table to display employee's empno, ename, length of ename, number of 'S',and number of 'L'. SQL> SELECT empno AS "EmpNo", ename AS "Emp Name", ... AS "Name Length", .... AS "# Of S", .... AS "# Of L"FROM emp; [IMAGE below] Material to answer the question above: Material: https://drive.google.com/file/d/14OwWDIybjAIeuHCO7McupV08gJs9nB-8/view?usp=sharing https://drive.google.com/file/d/1npRH8JoJ6GYBzPU3iNjLXluvCyhr2tMu/view?usp=sharing
b. Write a query to get the average salary and the total number of employees who work in the History department (in that order). c. Write a query to get the number of employees working in the History department with a job title of Head of Department.
sc 2. The First Orders A company maintains information about its orders in the ORDERS table. Write a query to print details of the earliest five orders (sorted by ORDER_DATE, ascending) that have not been delivered (i.e., STATUS is not DELIVERED). If there are more than five orders to choose from, select the ones with the lowest order ID. Sort the output in the increasing order of order ID. The output should contain ID, ORDER_DATE, STATUS, CUSTOMER_ID. Schema Table: Orders column type int column name id order_date status customer_id Sample Data Tables X fl f2 f3 KE date varchar(50) int f4 f5 f6 团 f7 ASUS VivoBook f80/

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