Question 6
Examine these statements which execute successfully:

The statements executed without exception. Which two are true?

The statements executed without exception. Which two are true?
Question 7
Examine the appointments table definition which contains one million rows:

Now, examine this statement which executes successfully:

Which statement will improve query performance?

Now, examine this statement which executes successfully:

Which statement will improve query performance?
Question 8
Examine this bar graph based on columns from the players table:

Which two statements would generate this bar graph?

Which two statements would generate this bar graph?
Question 9
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?
Question 10
Examine these commands which execute successfully in the sequence shown in Sessions S1 and S2:

Now, examine this statement that execute successfully in s1:
S1> SELECT * FROM emp;
Which is true about the result of the select statement?

Now, examine this statement that execute successfully in s1:
S1> SELECT * FROM emp;
Which is true about the result of the select statement?
