I have two table A and B
Table A
C1
----
11
232
454
65
78
87
45
87
98
99
Table B
C2
----
c1
c2
c3
c4
How can I join these table to get output like
C1, C2
--------
11 ,c1
232 ,c2
454 ,c3
65 ,c4
78 ,c1
87 ,c2
45 ,c3
87 ,c4
98 ,c1
99 ,c2
Best Answer
Since the tables have no column in common, we'll have to use the
rownum
pseudocolumn which is asigned to every row in a resultset. Do not confuse with rowid which is hash-like and exists phisycally in the table. Since rowids go 1,2,3...n, they provide a way to join two unrelated tables.NOTE:
I assumed A had more rows than B so I made a left join. You can turn things around should B have more rows than A.