Having this information. Students Attribute Name Data Type StudentID char(11) FirstName varchar(20) LastName varchar(20) Gender char(1) DateofBirth date Courses Attribute Name Data Type CourseCode varchar(6) CourseName varchar(70) Level char(2) Credits int   Registration Attribute Name Data Type StudentID char(11) CourseCode varchar(6) Grade decimal(2, 1)   Write SQL code to:  1. Find the youngest student’s name. 2. How many students have NOT taken the course ‘CS056’? 3. Change the credit for all Computer Science courses (i.e. course codes CS***) with five credits from 5 to 6. 4. Delete the registration record for the student 908409-0010.

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
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Having this information.

Students
Attribute Name Data Type
StudentID char(11)
FirstName varchar(20)
LastName varchar(20)
Gender char(1)
DateofBirth date

Courses
Attribute Name Data Type
CourseCode varchar(6)
CourseName varchar(70)
Level char(2)
Credits int  

Registration
Attribute Name Data Type
StudentID char(11)
CourseCode varchar(6)
Grade decimal(2, 1)  

Write SQL code to: 

1. Find the youngest student’s name.

2. How many students have NOT taken the course ‘CS056’?

3. Change the credit for all Computer Science courses (i.e. course codes CS***)
with five credits from 5 to 6.

4. Delete the registration record for the student 908409-0010. 

 

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