Courses Lessons Code Description Duration Campus Attendant Subject DATA Database 4 days JHB 2001 DATA management JAV systems 2002 DATA JAV Java script 7 days Midrand 2003 JAV МАТН Mathematics 4 days...

Provide the course code and description for any courses having a four-day duration. 2.2 Which courses have been held in JHB and/or in Pretoria? 2.3 Which employees took both the JAV and the DATA courses? 2.4 Print a list of all workers who did not attend the JAV training.


Extracted text: Courses Lessons Code Description Duration Campus Attendant Subject DATA Database 4 days JHB 2001 DATA management JAV systems 2002 DATA JAV Java script 7 days Midrand 2003 JAV МАТН Mathematics 4 days Pretoria 2004 JAV ISY Information 3 days Pretoria DATA systems 2005 МАТH HTML Нуper Text 4 days JHB 2006 PMT Markup 2007 ISY Language PMT Project 7 days Midrand management