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What is the DRY principle?

Posted by Adrian M.

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Categories: General


The DRY acronym stands for “Don’t Repeat Yourself.”  The principle expressed by DRY is the best practice of avoiding duplicated information, code, or data.

The DRY principle applies to business analysts in much the same way. In the context of business analysis, adhering to the DRY principle means avoiding duplication of effort and information. Business analysts gather, analyze, and document requirements, processes, and data. Applying the DRY principle involves ensuring that this information is captured only once and then referenced or reused as needed, rather than duplicating it across various documents or systems. This helps to maintain consistency, accuracy, and efficiency in the analysis process. 

When information is duplicated, there is a high likelihood that the various versions of the same data will get out of sync which leads to miscommunication or confusion, and could result in serious defects.

Related Principles

  • KISS principle
  • Minimalism
  • Rule of least power
  • There's more than one way to do it
  • Worse is better (Less is more)
  • You aren't gonna need it (YAGNI)
  • BLUF (communication)
  • Occam's razor

What is the DRY principle?



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Do your homework prior to the business analysis interview!

Having an idea of the type of questions you might be asked during a business analyst interview will not only give you confidence but it will also help you to formulate your thoughts and to be better prepared to answer the interview questions you might get during the interview for a business analyst position.  Of course, just memorizing a list of business analyst interview questions will not make you a great business analyst but it might just help you get that next job.


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