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Author Question: An SQL virtual table is called ________. A) a CHECK constraint B) a view C) embedded SQL D) a ... (Read 89 times)

ETearle

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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


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raili21

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Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

C


ETearle

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Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

Animal_Goddess

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Reply 3 on: Yesterday
Gracias!

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