Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
4.
Update the name of the student to "John Doe" where its id is 10.
Enter your answer
5.
Modify the "student" table by adding "address" column/field as string and allows null.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by stepSolved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Create a list of EMPNO, ENAME, HIREDATE, DEPTNO from EMPLOYEE for employee’s with a salary (SAL) greater than 2000. (Note: Do not print out the salary amount!) How many records were printed to the screen?arrow_forwardTask 6: Create the GET_INVOICE_DATE procedure to obtain the customer ID, first and last names of the customer, and the invoice date for the invoice whose number currently is stored in I_INVOICE_NUM. Place these values in the variables I_CUST_ID, I_CUST_NAME, and I_INVOICE_DATE respectively. When the procedure is called it should output the contents of I_CUST_ID, I_CUST_NAME, and I_INVOICE_DATE. (mySQL)arrow_forwardcan you fill this one with entitties?arrow_forward
- Please write a view to list staff’s names, salary, ages, and their supervisors’names, salary, and ages for all staff whose supervisor’s age is younger than the staff’s age and theirsupervisor’s salary is higher than the staff’s salary. You should use Staff2 table. The output headerneeds to distinguish between staff and manger: (E_name, E_salary, E_age, M_name, M_salary, M_age)arrow_forwardIm having trouble getting this code to run. Please use the diagram and find the numbers by counting the characters in each section. THats how you find the numbers. CREATE TABLE ENROLL ( CLASS_CODE CHAR(2) NOT NULL, STU_NUM CHAR(2) NOT NULL, ENROLL_GRADE CHAR(2) NOT NULL, FOREIGN KEY (CLASS_CODE) REFERENCES CLASS(CLASS_CODE), FOREIGN KEY(STU_NUM) REFERENCES STUDENT(STU_NUM), PRIMARY KEY(CLASS_CODE, STU_NUM)); **** Implementation of Composite Primary Key *** Insert multiple records at once. INSERT ALL INTO customer (first_name, last_name) VALUES ('Kristen', 'Rowley') INTO customer (first_name, last_name) VALUES ('Jed', 'Tomlinson') INTO customer (first_name, last_name) VALUES ('Margie', 'Escobar') INTO customer (first_name, last_name) VALUES ('Harriette', 'Mejia') INTO customer (first_name, last_name) VALUES ('Francis', 'Little') SELECT * FROM dual;arrow_forwardCreate a stored procedure that will return the number of customers in a given state. The parameter for your stored procedure should accept the state abbreviation ('UT') and return the results of a query that returns the number of customers in that state.arrow_forward
- The Movie table has the following columns: ID - positive integer Title - variable-length string Genre - variable-length string RatingCode - variable-length string Year - integer Write ALTER statements to make the following modifications to the Movie table: Add a Producer column with VARCHAR data type (max 50 chars). Remove the Genre column. Change the Year column's name to ReleaseYear, and change the data type to SMALLINT.arrow_forwardThird normal form says: a. No nonkey columns depend on another nonkey column. b. Every column that's not part of the primary key is fully dependent on the primary key. c. Eliminate repeated fields. d. None of the above.arrow_forwardCreate an anonymous block that displays a course list. Declare a cursor and use the OPEN,FETCH, and CLOSE cursor statements to access the cursor. Use the %ROWTYPE attribute for the cursor.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education