READ Free Dumps For Oracle- 1z0-001
Question ID 1577 | The EMPLOYEE table has ten columns. Since you often query the table with conditions based on four or more columns, you created an index on all the columns in the table. Which result will occur? |
Option A | A. The speed of inserts will be increased. |
Option B | B. Updates on the table will be slower. |
Option C | C. The size of the EMPLOYEE table will be increased. |
Option D | D. All queries on the table will be faster. |
Correct Answer | B |
Question ID 1578 | Which SELECT statement would you use in a PL/SQL block to query the employee table and retrieve the last name and salary of the employee whose id is 3? |
Option A | A. SELECT last_name, salary INTO v_last_name, v_salary FROM employee |
Option B | B. SELECT last_name, salary FROM employee |
Option C | C. SELECT last_ name, salary FROM employee WHERE id = 3; |
Option D | D. SELECT last_ name, salary |
Correct Answer | A |