Fix for docs from Patrick Welche:

! 	DIFFERENCE (− or ∖): builds the set difference of
  	two tables. Let R and
S
again be two tables with the same
  	arity. R - S
--- 488,494 ----

        
        
! 	EXCEPT (− or ∖): builds the set difference of

diff --git a/doc/src/sgml/sql.sgml b/doc/src/sgml/sql.sgml
index df2546fa084da91fcc7de8870121106f24755436..d5fece28dba79eacfe5c3cf0641dbcf94467b3d8 100644 (file)
--- a/doc/src/sgml/sql.sgml
+++ b/doc/src/sgml/sql.sgml
@@ -1,5 +1,5 @@
 
 
  
@@ -488,7 +488,7 @@ attributes are taken from. We often write a relation scheme as
 
       
        
-   DIFFERENCE (− or ∖): builds the set difference of
+   EXCEPT (− or ∖): builds the set difference of
    two tables. Let R and S
    again be two tables with the same
    arity. R - S