Best way to get sequence.next value in pl-sql/triggers

Hi,
I want to know the best practice about to get the sequence.next value in pl-sql procedures / triggers from the below two methods.
1. SELECT PRINT_BATCH_SEQ.NextVal INTO PSQNO FROM DUAL;
INSERT INTO TABLE R1TMP VALUES (PSQNO, '12-MAR-06');
2. INSERT INTO TABLE R1TMP VALUES (PRINT_BATCH_SEQ.NextVal, '12-MAR-06');
From the above two statements which one is best with respect to performance / parsing /memory usage.
Kindly give your suggession please.
Thanks,
Riaz.

Hi,
Thanks for your immediate reply.
My thought was
1. when we do like this, at the time of insert the cost of the operation will be more and this will lead some performance issue as bulk insert.
2. If we get it from dual and send the value as bind variable, then we can avoid the parsing of the sql.
Please correct me if i am wrong.
thanks,
riaz.

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