Author Question: A command used in Oracle to display how the query optimizer intends to access indexes, use parallel ... (Read 38 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
A command used in Oracle to display how the query optimizer intends to access indexes, use parallel servers and join tables to prepare query results is the:
 
  A) explain plan.
  B) show optimization.
  C) explain query.
  D) analyze query.

Question 2

All of the following are newer XML schema languages EXCEPT:
 
  A) Document Type Declarations (DTDs).
  B) XML Schema Definition (XSD).
  C) RELAX NG.
  D) Document Structure Description (DSD).


janeli1

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library