what us the result of step 3 and 5? explain why this result makes sense or why it doesn't make sense.

instructions:

question:

reliminary 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)