The SQL Keyword IS NULL Can Be Used to ________

question 89

Multiple Choice

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

---

Definitions:

Transplants

In a medical context, the act of transferring organs, tissues, or cells from one body to another for the purpose of replacing or repairing damaged parts.

Unemployment Rate

The tally of unemployed workers in the labor force who are in the process of actively looking for jobs.

Economy

A system of production, distribution, and consumption of goods and services within a certain area or country, guided by laws, regulations, and cultural customs.

Employment

The condition of having paid work or the number of people currently hired to perform tasks in various sectors.