SQL: Full Outer Joins

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Under what circumstance would you select a full outer join SQL statement?

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1. Given the following SQL statement, please describe what results will be given.

2. The results of a full outer join can be organized using an ORDER_BY clause; how would this be useful considering the examples given in the lesson?

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About This Quiz & Worksheet

Join queries in SQL are used to bring together rows from two or more tables. The quiz covers reasons for why you would use a full outer join and the purpose of the ORDER_BY clause.

Quiz & Worksheet Goals

During the quiz, you will:

  • Point out the correct full outer join syntax
  • Identify a scenario where it would be wise to use a full outer join
  • Describe the results of a given SQL statement

Skills Practiced

  • Information recall - access the knowledge you've gained about circumstances that would require the use of a full outer join SQL statement
  • Interpreting information - verify that you can read information about the use of the ORDER_BY clause and interpret it correctly
  • Knowledge application - utilize your knowledge to give a reason for why you would choose a full outer join in SQL

Additional Learning

The lesson named SQL: Full Outer Joins will provide you with extra insight into this subject. This lesson discusses:

  • An advantage of using a full outer join to gather data
  • How to interpret the results of full outer join SQL statements
  • Why the ORDER_BY and WHERE clauses are useful for crafting SQL queries
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