The SQL keyword IS NULL can be used to ________.
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)A and C
E)B and C

Question

Quizplus · Accepted Answer

The SQL keyword IS NULL is used to check for NULL values in a column, allowing you to count the number of null values when used in conjunction with a COUNT function.

The SQL Keyword IS NULL Can Be Used to ________