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

C

Business

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Service marks are a form of trademarks

a. True b. False Indicate whether the statement is true or false

Business

A corporate bond can be all of the following except: ______

A) an unsecured debenture bond. B) a negotiable security C) having a life of five years. D) preferred stock

Business