Question 6

Examine these statements which execute successfully:

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?
  • Question 8

    Examine this bar graph based on columns from the players table:

    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?