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 79 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
YES! Correct, THANKS for helping me on my review


ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

For a complete list of videos, visit our video library