Simple query (i can not get logic...help me)

Question

I have 2 tables with equal fields.
Table: A Table: B
No Name No Name
1 Raju 1 Raju
2 Rani 2 Rani
3 Giri 5 Vasu
4 Venu (3 rows)
5 Vasu
(5 rows)
I need Output will be from Table A only.
No Name Flag
1 Raju True
2 Rani True
3 Giri False
4 Venu False
5 Vasu True
Please give a query to get this output.(without union concept i want)
thanks
madhava

Answer 1

scott@ORA92> -- test data:
scott@ORA92> select * from a
  2  /
        NO NAME
         1 Raju
         2 Raini
         3 Giri
         4 Venu
         5 Vasu
scott@ORA92> select * from b
  2  /
        NO NAME
         1 Raju
         2 Rani
         5 Vasu
scott@ORA92> -- query:
scott@ORA92> select a.no, a.name,
  2           nvl2 (b.no, 'True', 'False') as flag
  3  from   a, b
  4  where  a.no = b.no (+)
  5  /
        NO NAME  FLAG
         1 Raju  True
         2 Raini True
         3 Giri  False
         4 Venu  False
         5 Vasu  True
scott@ORA92> spool off