ds/ITDIB2-B44%20-%20Initial%20Online%20Assessment%20Paper%20Block%204%202021%20(V1.0).p Block 4 2021 (V1.0).pdf 3 / 7 67% + Question 2 Use the tables (Courses and Lessons) below and the employees table in question 1. Write SQL to answer the following questions. 2.1 Provide the course code and description for any courses having a four-day duration (2 Marks) 2.2 Which courses have been held in JHB and/or in Pretoria? (3 Marks) 1 2.3 Which employees took both the JAV and the DATA courses? (5 Marks) 2.4 Print a list of all workers who did not attend the JAV training. (5 Marks) [Sub Total 15 Marks) Lessons Attendant Subject 200 DATA JAV 2002 DATA 2003 JAV Courses Code Description Duration Campus DATA Database 4 days JHB management systems JAV Java script 7 days Midrand MATH Mathematics 4 days Pretoria ISY Information 3 days Pretoria systems HTML HyperText 4 days JHB Markup Language PMT Project 7 days Midrand management 2004 2005 2006 2007 JAV DATA | MATH | PMT ISY Question 3