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% Document Info
\author{tnbergeman}
\pdfinfo{
  /Title (business-rules.pdf)
  /Creator (Cheatography)
  /Author (tnbergeman)
  /Subject (Business Rules Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
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    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Business Rules Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{tnbergeman} via \textcolor{DarkBackground}{\uline{cheatography.com/21630/cs/4208/}}}
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\noindent
\begin{multicols}{3}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}tnbergeman \\
  \uline{cheatography.com/tnbergeman} \\
  \end{tabulary}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 26th May, 2015.\\
   Updated 4th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
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  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Keep in mind...}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Business rules enable the business to make better, more consistent decisions in day-to-day business activity% Row Count 3 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Learning by Doing: Techniques}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Reduction \newline % Row Count 1 (+ 1)
Elicitation \newline % Row Count 2 (+ 1)
RuleSpeak \newline % Row Count 3 (+ 1)
Decision Tables \newline % Row Count 4 (+ 1)
Validation \newline % Row Count 5 (+ 1)
Management% Row Count 6 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Policy vs. Rule}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Business Policy}}: No new home-owner insurance during storm threats. \newline % Row Count 2 (+ 2)
{\bf{Business Rule}}: A home-owner policy must not be issued for a home within the 4-day cone of uncertainty for a storm.% Row Count 5 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Requirement vs. Business Rule}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Requirement}}: Provide a feature to handle electronic funds transfer. \newline % Row Count 2 (+ 2)
{\bf{Business Rule}}: An employee expense reimbursement must be processed through electronic funds transfer.% Row Count 5 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{How to find business rules?}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Look for: \newline % Row Count 1 (+ 1)
- Repetitive behavior in tasks \newline % Row Count 2 (+ 1)
- Operational decision points \newline % Row Count 3 (+ 1)
- Non-trivial areas of work \newline % Row Count 4 (+ 1)
- Business rules embedded in code% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Potential Anomolies}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Conflict - rules contradict each other \newline % Row Count 1 (+ 1)
Subsumption - the rule is already covered by another \newline % Row Count 3 (+ 2)
Redundancy - rules state the same thing essentially \newline % Row Count 5 (+ 2)
Similarity - rules that are potentially identical but have inconsistent specific qualitifications% Row Count 7 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Definitional Rules}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Computation Rules}}: "The net profit must be computed as the gross sales amount minus the overhead amount" \newline % Row Count 3 (+ 3)
{\bf{Derivation Rules}}: "A customer must be considered inactive if the customer has not placed an order in the past 3 years" \newline % Row Count 6 (+ 3)
{\bf{Decision Rules}}: Knowing how to decide something - Decision Table% Row Count 8 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Behavioral Rules}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Behavioral Rules}}: Rules that people can violate; "A customer must have an assigned agent if the customer: \newline % Row Count 3 (+ 3)
    has placed an order, and \newline % Row Count 4 (+ 1)
    is not inactive."% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Identifying Major Decisions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{i.e. "Is the applicant eligible for auto-insurance?". For each major decision: \newline % Row Count 2 (+ 2)
 Define business rules that apply to all sub-decisions of the major decision \newline % Row Count 4 (+ 2)
 Estimate 5-10\% of overall business rules within the major decision \newline % Row Count 6 (+ 2)
 Estimate one-week effort per major decision (subject to scope)% Row Count 8 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Identifying Sub Decisions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{i.e. "Has the applicant given acceptable evidence of insurance?" For each sub-decision: \newline % Row Count 2 (+ 2)
 Define business rules that apply to all cases for a sub-decision first \newline % Row Count 4 (+ 2)
 Systematically develop the business logic for each case within each sub-decision \newline % Row Count 6 (+ 2)
 Estimate an average of 2 weeks per sub-decision (subject to scope) \newline % Row Count 8 (+ 2)
 If steps 1-3 are done correctly, project team members can work on cases or sub-decisions in parallel% Row Count 11 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Addressing Breaches to Rules}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{1. Determine enforcement level (strictly enforced, guideline, etc) \newline % Row Count 2 (+ 2)
2. Determine what messaging is needed in case of a breach \newline % Row Count 4 (+ 2)
3. Determine business response in case of a breach% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Reduction}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Always clearly define each and every part of a business rule that is not cut and dry;  \newline % Row Count 2 (+ 2)
"Kids must be in bed by 11:30 on school nights." \newline % Row Count 3 (+ 1)
1. {\emph{Time-of-day rule}}: Time-of-day is determined by parents' watch \newline % Row Count 5 (+ 2)
2. {\emph{In-bed rule}}: "In-bed" must be interpreted to include all of the following: Electronics off, lights off, you are in your own room/bed alone, you are washed up. \newline % Row Count 9 (+ 4)
Continue with {\emph{School-night rule}}, {\emph{Washed-up rule}}, etc. until all remaining terms are derivable or computable.% Row Count 12 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Refinement}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Remember to assign terms instead of keeping quantities/amounts in the business rule, i.e. "Customers must not be able to place more than {\emph{3 orders per day}}." becomes "Customers must not be able to place more orders than the {\emph{maximum number of orders per day}}."% Row Count 6 (+ 6)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Handling Exceptions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\emph{Two rules}}: "A customer may have access to the warehouse only during regular business hours." and this exception "A gold customer must have access to the warehouse 24/7." \newline % Row Count 4 (+ 4)
{\emph{Become}}: "A non-gold customer may only have access to the warehouse during regular business hours; gold customers have access 24/7."% Row Count 7 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Decision Tables}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Use when you can identify a pattern but cannot create a computational formula. \newline % Row Count 2 (+ 2)
1. List the potential outcomes \newline % Row Count 3 (+ 1)
2. List the considerations (what do we have to consider in making this decision?) \newline % Row Count 5 (+ 2)
3. Define the individual cases (what are the actual different inputs?) \newline % Row Count 7 (+ 2)
4. Define a default and place at the top of the table% Row Count 9 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}