\begin{frame} \frametitle{ACID Properties} To prevent the mentioned problems\ldots \begin{block}{Database management system ensures \emph{ACID properties}} \smallskip \begin{itemize} \item<1-> \emph{Atomicity:} \\ transaction executes fully (commit) or not at all (abort) \medskip \item<1-> \emph{Consistency:} \\ transactions always leave the database in a consistent state where all defined integrity constraints hold \medskip \item<1-> \emph{Isolation:}\\ multiple users can modify the database at the same time but will not see each others partial actions \medskip \item<1-> \emph{Durability:}\\ once a transaction is committed successfully, the modified data is persistent, regardless of disk crashes \smallskip \end{itemize} \end{block} \end{frame}