The obvious typos:
,--- I/Alex (Thu, 06 Oct 2011 19:42:13 -0400) ----*
| (may use pg_attribute.attnotnull on t1, t2, is I didn't see the 'create's. (may use pg_attribute.attnotnull on
t1,t2, if I didn't see the 'create's.
| Now, for this statement, I can easily identify non-nullable columns. Now, for this statement, I can easily
identifythe non-nullable columns:
-- Alex -- goncharov.alex@gmail.com --