What are SQL Functions? - Use & Examples Video


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question 1 of 3

Which of the following statements is NOT true about SQL functions?

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Take a look at the table. What is the result after executing the following query?

select sum(salary) from empSalary where department = 'HR'


Which of the following are examples of built-in SQL scalar functions?





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About This Quiz & Worksheet

See what you know about SQL functions by answering these multiple-choice questions. For the quiz, you'll be covering important areas of interest, such as the characteristics of SQL functions and the outcome of executing a query in a sample table.

Quiz & Worksheet Goals

The quiz will cover these topics:

  • Built-in SQL scalar functions
  • The benefits of using SQL functions
  • Error in an SQL statement

Skills Practiced

  • Reading comprehension - make sure you know the most important information about the basic attributes of SQL functions
  • Knowledge application - use your knowledge to answer questions about the advantages of using SQL functions and some examples of built-in SQL scalar functions
  • Information recall - access the knowledge you've gained regarding the result of executing a query with a sample table

Additional Learning

To learn more about functions in computer programming, feel free to review the lesson entitled What are SQL Functions? - Use & Examples. The following points will be covered:

  • DDL (data definition language)
  • DML (data manipulation language)
  • Ways of classifying SQL functions
  • SQL function applications
  • Aggregate functions