958 B
958 B
up::SQL #s/informatique
| symbol | keyword | why |
|---|---|---|
\equiv |
SELECT |
you are listing things |
\leftarrow |
FROM |
|
/ |
WHERE |
like maths's reduction to ... (eg: f/_{x < 0} is f reduced to when x<0), also like APL's selection : / |
\cup |
DISTINCT |
like APL's unique, the union removes duplicates |
\subseteq |
GOUP BY |
like APL's partition : grouping things depending on conditions |