deletions | additions       diff --git a/Database Features & Architecture.tex b/Database Features & Architecture.tex  index ede56b8..c4f4e5e 100644  --- a/Database Features & Architecture.tex  +++ b/Database Features & Architecture.tex 
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memory-only database ?  Distributed nature only in memory but stored in disk in only a few machines ?  \begin{itemize}  \item  LIMIT number of records returned ? \end{itemize}  \begin{itemize}  \item  ALLOW FILTERING to allow full table / non-index scans ? Duplicate query \end{itemize}  \begin{itemize}  \item Duplicate-queries-in-queue  detection and result multicasting result-multicasting  ? \end{itemize}  \begin{itemize}  \item Buffer caching of records based on disk-adjacent records (like filesystem pagecache) or cache individual records (like memcache) ?  \end{itemize}  \subsection{Scalability}  The relationship between increasing the number of nodes and the corresponding level of increase in the performance (Talk about Amdahl's law imposed limits, 10 women cannot deliver a baby in one month etc.)