Author Question: When EXISTS or NOT EXISTS is used in a subquery, the select list of the subquery will usually just ... (Read 89 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
When EXISTS or NOT EXISTS is used in a subquery, the select list of the subquery will usually just select all columns as a placeholder because it doesn't matter which columns are returned.
 
  Indicate whether the statement is true or false

Question 2

Scripts do not have the ability to permanently change your computer registry.
 
  Indicate whether the statement is true or false.


nhea

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

TRUE

Answer to Question 2

Answer: FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

For a complete list of videos, visit our video library