This topic contains a solution. Click here to go to the answer

Author Question: An SQL virtual table is called ________. A) a CHECK constraint B) a view C) embedded SQL D) a ... (Read 81 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
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
Answer to Question 1

B

Answer to Question 2

C




ETearle

  • Member
  • Posts: 580
Reply 2 on: Jul 7, 2018
:D TYSM


kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

For a complete list of videos, visit our video library