[DMDB] Buffer cache

2026-07-27 21:29:09 +02:00 · 2026-07-14 16:07:53 +02:00
parent a957a20244
commit 5d5a3b5d1b
7 changed files with 91 additions and 1 deletions
@@ -6,7 +6,7 @@ We can set \texttt{I = *} if we want to return all columns for a table.
 To rename, we can set \texttt{I = Column as Name, Column2 as Name2}, etc

 % TODO: Make RA an acronym, too
-\inlinetheorem Every SPJR RA expression can be written in \texttt{SELECT ... FROM ... WHERE ...} form:
+\inlinetheorem Every SPJR \acrshort{RA} expression can be written in \texttt{SELECT ... FROM ... WHERE ...} form:
 \begin{tables}{lll}{Operation   & Notation                   & SQL}
              Selection         & $\sigma_c(R)$              & \texttt{SELECT * FROM R WHERE c;}              \\
              Projection        & $\Pi_{A_1, \ldots, A_n} R$ & \texttt{SELECT A1, \ldots, An FROM R;}         \\