what is the result of step 6? explain why this makes sense or why it does not make sense?

instructions:

question:

Prellminary Create the following three tables; CREATE TABLE table1 (a int primary key, b int); CREATE TABLE table2 (a int primary key, b int); " .Open two terminals (e.g., putty or XShell) and login Oracle database .Assume that each terminal represents each individual user (i.e., User1 and User2)