This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An SQL virtual table is called ________. A) a CHECK constraint B) a view C) embedded SQL D) a ... (Read 46 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
on: Jul 7, 2018
An SQL virtual table is called ________.
 
  A) a CHECK constraint
  B) a view
  C) embedded SQL
  D) a trigger

Question 2

The SQL keyword IS NULL can be used to help ________.
 
  A) count the number of columns in a table
  B) count the number of rows in a table
  C) count the number of null values in a column
  D) count the number of values in a column


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raili21

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

C


ETearle

  • Member
  • Posts: 580
Reply 2 on: Jul 7, 2018
YES! Correct, THANKS for helping me on my review

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i
Skull Transverse Superior View Labeled Skull Transverse Superior View Labeled
Setup used to check the opening temperature of a thermostat. Setup used to check the opening temperature of a thermostat.
Finish with bilateral stroking to the entire back. Stand at head of the table with fingers pointing ... Finish with bilateral stroking to the entire back. Stand at head of the table with fingers pointing ...
Development of the Eyes and Ears: External View - 28 days Embryo Development of the Eyes and Ears: External View - 28 days Embryo
table table
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library