MIS562 Week 7 in MySQL – Stored Procedures and triggers – Instant Delivery – Perfect Solution
Homework (100 points)
For Part 1 Q1, you don’t need to run SQL and no output is required.
For Part 1 Q2, be sure to include output
For part 2 running stored procedure, please refer to document under Announcement. You must include output for all three questions
Question SQL statement or Answer
1. Analyze the following query and write a description of the output it produces. (20 points)
Do not run query.
SELECT COUNT(DECODE(SIGN(total_capacity-20), -1, 1, 0, 1)) “<=20″, COUNT(DECODE(SIGN(total_capacity-21), 0, 1, -1, NULL, DECODE(SIGN(total_capacity-30), -1, 1)))”21-30″, COUNT(DECODE(SIGN(total_capacity-30), 1, 1)) “31+” FROM (SELECT SUM(capacity) total_capacity, course_no FROM section GROUP BY course_no) You don’t need to execute SQL Query and you are not required to provide executed output 2. Determine the top three highest salary from department 10, 20 and 30 (20 points) Part 2 Write a stored procedure using the student schema: submit the output with your answer (20 points) Write a stored function using the student schema: submit the output with your answer (20 points) Write a trigger using the student schema: submit the output with your answer (20 points)
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