SQL/92 uses a different syntax for performing outer joins.
Instead of using (+), you specify the type of join in the FROM clause of your SELECT statement using the following syntax:
FROM table1 { LEFT | RIGHT | FULL } OUTER JOIN table2
where
table1 and table2 specify the tables that you want to join.
LEFT specifies you want to perform a left outer join.
RIGHT specifies you want to perform a right outer join.
FULL specifies you want to perform a full outer join;
A full outer join uses all rows in table1 and table2 including those that have null values in the columns used in the join.
You can't directly perform a full outer join using the (+) operator.
Quote from:
Oracle Database 10g SQL (Osborne ORACLE Press Series) (Paperback)
# Paperback: 608 pages
# Publisher: McGraw-Hill Osborne Media; 1st edition (February 20, 2004)
# Language: English
# ISBN-10: 0072229810
# ISBN-13: 978-0072229813