Automatic tuning = false Adaptive PQ = false drop table j1; drop table j2; create table j1 ( c1 number ); create table j2 ( c1 number );
insert into j1 values (1); insert into j1 values (1); insert into j1 values (2 ); insert into j2 values (3); insert into j2 values (3); commit; select a.c1,a.s1,b.c1,b.s1 from (select --+ parallel(j1,10) c1,count(*) s1 from j1 group by c1) a, (select --+ parallel(j2,10) c1,count(*) s1 from j2 group by c1) b where a.c1 = b.c1 (+); Here is the result: C1 S1 C1 S1 1 2 [NULL] 2 2 1 [NULL] 1 Then remove the parallel hint: You get this: C1 S1 C1 S1 1 2 [NULL] [NULL] 2 1 [NULL] [NULL] ================= -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Khedr, Waleed INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).