Using the commands SELECT, PROJECT, and JOIN write a sequence of instructions to answer each of the following questions about branches and their courses in terms of the following database: a. Which branches offer IT665? b. List all the branches present in Branch relation. c. Which branches offer 4 credit courses? Course relation CName ID Networks IT655 DataBase CS543 VLSI EC653 Branch relation BName Computer Science Computer Science Electronics & Communication Electronics & Communication Information Technology Information Technology ID Credits CS543 4 EC653 5 IT655 4 EC653 5 CS543 4 IT655 4

Using the commands SELECT, PROJECT, and JOIN write a sequence of instructions to answer each of the following questions about branches and their courses in terms of the following database: a. Which branches offer IT665? b. List all the branches present in Branch relation. c. Which branches offer 4 credit courses? Course relation CName ID Networks IT655 DataBase CS543 VLSI EC653 Branch relation BName Computer Science Computer Science Electronics & Communication Electronics & Communication Information Technology Information Technology ID Credits CS543 4 EC653 5 IT655 4 EC653 5 CS543 4 IT655 4

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Write the SQL statements to perform the following operations: a. Create a new course “CS-001”, titled “Weekly Seminar”, with 0 credits. b. Create a section of this course in Fall 2017, with sec id of 1, and with theclocation of this section not yet specified. c. Enroll every student in the Comp. Sci. department in the above section. d. Delete enrollments in the above section where the student’s ID is 12345. e. Delete the course CS-001. What will happen if you run this delete statement without first deleting offerings (sections) of this course? f. Delete all takes tuples (i.e., rows) corresponding to any section of any course with the word “advanced” as a part of the title; ignore case when matching the word with the title.
EMPLOYEE Fname Minit Lname Ssn Bdate | Address Sex Salary Super_ssn Dno 444 DEPARTMENT Dname Dnumber Mgr_ssn Mgr_start_date DEPT LOCATIONS Dlocation Dnumber PROJECT Pname Pnumber Plocation Dnum WORKS ON Esan Pno Hours DEPENDENT Essn Dependent_name Sex Bdate Relationship Q#1 Insert two records in each table or use if you have already created this schema. Q#2 Display Employees Fname and salary who are males and salary is greater than equal to 1000. Q#3 Display Address of employees where salary range starting from 1000 to 2000. Q#4 Display Last name of employee that starts with A and end on B. Q#5 Display Fname of employee that starts with A and have size of 3. Like: Ali,Ans etc Q#6 Display Project name and Project number that belongs to department 1. Q#7 Display Dependent name who were not born in 2002,2003 and 2004. Q#8 Display Pno who take a time more than 3 hours and less than 10 hours. Q#9 update working hours 3 hours to 5 hours. Q#10 Delete record in Dependent who have gender Male.
Using the Categories, Subjects, and Classes tables, list the category description, SubjectID, SubjectCode, and SubjectName for all subject that are taught on Wednesdays. Do not list any subject more than once.
I need help to answer this question from my "CIS255 class Database Management". Please help! You can answer with few words.
Please use sql to answer the follwoing question (an erd has also been add) Task 2: Task: UPDATE all employees salary in department 40 or 60 depending on their current salary range. Create a cursor and load all the records belongs to employees who works in department either in 40 or 60 a) Include employee_id, last_name, department_id and salary in Cursor SELECT Cursor cur_emp1 IS SELECT employee_id, last_name, department_id, salary FROM EMPLOYEES WHERE department_id IN (40,60); b) Now inside BEGIN and END block create CURSOR FOR LOOP with k keyword. FOR k IN cur_emp1 LOOP END LOOP; now inside above for loop check each records salary IF If employee salary is less than 5000 then add 20% of their salary and update actual phsyical table update employees SET salary= salary*1.20 WHERE employee_id = k.salary; Else if if employee salary is less then 8000 add 15% update employees SET salary=…
What precisely are these things called triggers? What are the roles that they play? How exactly do you go about obtaining the functionality of a trigger while using Access 2016?
Referring to the Set Operations image above, which relational operation should I use to list all certificates that all students have ever earned by STU#? Question 43 options: 1) Union 2) Intersect 3) Difference 4) Join 5) None of the above
Please help me as this is in regards to Oracle 12 database Question 7 IN SELECT statement you always add SELECT , FROM and WHERE keywords because without WHERE condition you wouldn't know which data you search Question 7 options: True False Question 8 What will the following statement return after execution? SELECT employeenumber, lastname, email FROM products ORDER BY employeenumber DESC and email; Question 8 options: The results are sorted first numerically and then alphabetically. The results are sorted first numerically from high to low and then alphabetically. The results are sorted first alphabetically and then numerically. The query returns an error. Question 9 Which clause would you use in a SELECT statement to limit the display to those employees whose salary is greater than 5000? Question 9 options: ORDER BY SALARY > 5000 GROUP BY SALARY > 5000 WITH SALARY > 5000 WHERE SALARY > 5000
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You decided to create a client ID field for the primary key since some clients have the same name as others. Now you need to decide on a name for the field. The field name should make it clear that the field is a unique identifier for each record in order for it to be valuable for others using the database. What field name will help you track the relevant information as you work with this table? a)ClientID . b)PrimaryKey.
Create multiple records of the application and related entities and then insert them with some different values of Affiliation, funding sources. Run a query to find out if there is affiliation risk or funding concentration risk (defined as when the company has more than 3 countries associated with listed countries of concern or if more than 60% of their funding is from countries of concern) in SQL code and please run the code. please ignore the question the information in the charts are needed to run a query in SQL coding to see which company of the 3 has more affiliation risk.
An employee of BITS Corporation created the query shown in Figure 2-48. She wants to list the client number and the task IDs associated with each order. Will the query results be correct? If so, list other fields that would be useful. If not, how should she modify the query to achieve this result?