nerdexam
Oracle

1Z0-882 · Question #93

Inspect the SELECT query: Mysql> EXPLAIN SELECT employees. Emp_no, first_name, last_name FROM employees JOIN title WHERE to_date > `2008-10-11'; Guaranteed success with TestInsides practice guides…

Sign in or unlock 1Z0-882 to reveal the answer and full explanation for question #93. The question stem and answer options stay visible for context.

Question

Inspect the SELECT query:

Mysql> EXPLAIN SELECT employees. Emp_no, first_name, last_name FROM employees JOIN title WHERE to_date > `2008-10-11'; Guaranteed success with TestInsides practice guides 14 2 rows in set (0.00 sec) Which action will optimize the query?

Exhibit

1Z0-882 question #93 exhibit

Options

  • AAdd an index to the employees. emp _no column.
  • BAdd the keyword STRAIGHT_JOIN.
  • CAdd an index on the to_ date column.
  • DAdd the FORCE INDEX (PRIMARY) optimizer hint for the employees table.

Unlock 1Z0-882 to see the answer

You've previewed enough free 1Z0-882 questions. Unlock 1Z0-882 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.

Full 1Z0-882 Practice