4. Finding all students with GPA over 3.4: SELECT * FROM Students WHERE gpa > 3.4; 5- Finding the name of the oldest student: SELECT name FROM Students ORDER BY age DESC LIMIT 1; 6. Finding the grade of each course that Alice takes: SELECT grade FROM Enrolled WHERE sid 500132; =

4. Finding all students with GPA over 3.4: SELECT * FROM Students WHERE gpa > 3.4; 5- Finding the name of the oldest student: SELECT name FROM Students ORDER BY age DESC LIMIT 1; 6. Finding the grade of each course that Alice takes: SELECT grade FROM Enrolled WHERE sid 500132; =

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter4: Single-table Queries

Section: Chapter Questions

Problem 15SCG

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Concept explainers

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

Question

4. Finding all students with GPA over 3.4:
SELECT * FROM Students WHERE gpa > 3.4;
5- Finding the name of the oldest student:
SELECT name FROM Students ORDER BY age
DESC LIMIT 1;
6. Finding the grade of each course that Alice
takes:
SELECT grade FROM Enrolled WHERE sid
500132;
=

3. For tasks 4 to 6, please provide the SQL commands for
fulfilling the requirements, along with the explanations
of why/how do you form the commands as is. Please
also provide a screenshot of the results.

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please use sql to answer the following question Create a procedure, ADD_EMPLOYEE., to insert a new employee into the EMPLOYEES table. The procedure should call a VALID_DEPTID function to check whether the department ID specified for the new employee exists in the DEPARTMENTS table. d, Add another employee named Joe Harris in department 80. leaving remaining parameters with their default values. What is the result?
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