Which values are displayed?
Which expression finds the number of different countries represented in the CUSTOMERS table?
Which DELETE statement is valid?
Which SQL statement produces an error?
What happens when you execute this DELETE statement?
Which MERGE statement is valid?
Which four are valid Oracle constraint types?
Which SQL statement will return the ENAME, length of the ENAME, and the numeric position…
Which SQL statement would you use to remove a view called EMP_DEPT_VU from your schema?
Which is an iSQL*Plus command?