deletions | additions       diff --git a/Database Features & Architecture.tex b/Database Features & Architecture.tex  index 1d4a1cd..e9aac6e 100644  --- a/Database Features & Architecture.tex  +++ b/Database Features & Architecture.tex 
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\end{itemize}  \begin{itemize}  \item Support for Foreign keys ? Referential integrity ? Graph like relationship storage ?  \end{itemize} \subsection{In-Memory Nature}  Caching ?  memory-only database ?  Distributed nature only in memory but stored in disk in only a few machines ?  \subsection{Scalability}  The relationship between increasing the number of nodes and the corresponding level of increase in the performance (Amdahl's law etc.)