SQL DROP Constraint: Tutorial & Overview

Instructions:

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

question 1 of 3

What is a constraint?

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1. What is a SQL statement?

2. What is the constraint that will automatically fill in a value in a table?

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About This Quiz & Worksheet

Computer programmers write codes to tell computers what to do, and this quiz will measure your understanding of the SQL coding language, specifically about dropping a constraint. Questions on the quiz will mainly ask you to define key terms, recognize definitions, and to indicate what happens after specific codes are given.

Quiz & Worksheet Goals

Make use of these assessment tools as you judge your knowledge concerning:

  • The definition of a constraint
  • SQL statements
  • A constraint that will fill in the value in a table automatically
  • The results of dropping a Not Null constraint
  • SQL syntax necessary for removing a constraint

Skills Practiced

This worksheet and quiz allow you to polish up the following skills:

  • Interpreting information - verify that you can read information regarding the use of constraints in SQL and interpret it correctly
  • Defining key concepts - ensure that you can accurately define main phrases, such as SQL statements and constraints
  • Knowledge application - use your knowledge to answer questions about the proper SQL syntax for constraint removal

Additional Learning

Expand your knowledge further on this topic with the related lesson, SQL Drop Constraint: Tutorial & Overview. You can easily use the lesson to answer quiz questions, and you can also read about the following:

  • Examples of common constraints
  • Purposes for adding and dropping constraints
  • Uses for a primary column constraint
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