Serg Matskov writes:
> I have a PostgreSQL 7.1. When I start query like "SELECT * FROM table1
> WHERE field1 = NULL;" it working OK, but query like "SELECT * FROM
> table1 WHERE field1 <> NULL" returns the void result. Field "field1"
> has type DATE. "... field1 IS NULL", "... field1 IS NOT NULL"
I have a PostgreSQL 7.1. When I start query like
"SELECT * FROM table1 WHERE field1 = NULL;" it working OK, but query like
"SELECT * FROM table1 WHERE field1 <> NULL" returns the void result. Field
"field1" has type DATE. "... field1 IS NULL", "... field1 IS NOT NULL", "...
field1 <> 0" also
