Outer
The explicit Join
prefix can be preceded by the prefix outer
in order to specify an
The outer keyword is optional and is the default join type used when a join prefix is not specified.
Syntax:
Outer Join [ (tablename) ](loadstatement |selectstatement )
Arguments:
Argument | Description |
---|---|
tablename | The named table to be compared to the loaded table. |
|
The LOAD or SELECT statement for the loaded table. |
Example:
Table1 |
|
A |
B |
1 |
aa |
2 |
cc |
3 |
ee |
Table2 |
|
A |
C |
1 |
xx |
4 |
yy |
SQL SELECT * from table1;
join SQL SELECT * from table2;
OR
SQL SELECT * from table1;
outer join SQL SELECT * from table2;
Joined table |
|
|
A |
B |
C |
1 |
aa |
xx |
2 |
cc |
- |
3 |
ee |
- |
4 |
- |
yy |