​Which Comparison Operator Allows You to Search for NULL Values

question 123

Multiple Choice

​Which comparison operator allows you to search for NULL values in a subquery?

• A) ​IS NULL
• B) ​NVL
• C) ​=NULL
• D) ​NVLS

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Definitions:

Manifest Content

The explicit or surface content of a communication or text, as opposed to its latent or underlying meanings.

Content Analysis

A research technique used to systematically analyze texts or media content to quantify patterns, themes, or biases.

Computer Software

Programs and operating information used by a computer to perform specific tasks.

Content Analysis

A methodological tool used in qualitative and quantitative research to evaluate the presence of certain words, concepts, or themes within texts or sets of texts.