Which of the following search conditions can be used to identify records that have data stored in a column named ColB?
A) ColB IS NOT NULL
B) ColB ^= NULL
C) ColB != NULL
D) all of the above

Question

Which of the following search conditions can be used to identify records that have data stored in a column named ColB?​
A) ​ColB IS NOT NULL
B) ​ColB ^= NULL
C) ​ColB != NULL
D) ​all of the above

Quizplus · Accepted Answer

The correct syntax to check for non-null values in SQL is "IS NOT NULL". Options B and C use incorrect or non-standard syntax for this purpose.

Which of the Following Search Conditions Can Be Used to Identify