The SQL Keyword IS NULL Can Be Used to Help

question 19

Multiple Choice

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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Definitions:

NYSE

The New York Stock Exchange, one of the largest equity markets in the world, where public corporations list their shares for trading by investors, providing a platform for buying and selling equity securities.

TSX

Toronto Stock Exchange, the largest stock exchange in Canada and the third largest in North America by market capitalization.

Market Value

The existing market price for the acquisition or disposal of an asset or service.

Auction Markets

Marketplaces where buyers and sellers bid on assets, with the highest bid winning the asset.