Tkprof values current and query

I am trying to reduce the amount of buffer [1] gets generated by one of my insert queries. I noticed the following behaviour in my trace file when I replaced an outer join by a MINUS operator:

• CPU load virtually the same
• Elapsed time slightly higher (probably because of extra disk reads)
• Query value decreased from 124.873 to 6.149 (which is what I was looking for :)
• Current value increased from 3 to 760.

I am unable to find any useful information on this last value. Is this a part of the 'query' gets, or should I add these numbers to get the total amount of gets? What is the difference exactly??

Original query:

call count cpu elapsed disk query current rows ------- ------ ---- ------- ------ ------ ------- ------

Parse        0  0.00    0.00      0      0       0      0
Execute      1  4.92    6.07   2304 124873       3      0
Fetch        0  0.00    0.00      0      0       0      0
------- ------  ---- ------- ------ ------ ------- ------
total        1  4.92    6.07   2304 124873       3      0

Modified query:

call count cpu elapsed disk query current rows ------- ------ ---- ------- ------ ------ ------- ------

Parse        0  0.00    0.00      0      0       0      0
Execute      2  4.97    7.15   4611   6149     760      0
Fetch        0  0.00    0.00      0      0       0      0
------- ------  ---- ------- ------ ------ ------- ------
total        2  4.97    7.15   4611   6149     760      0

[1] Another question: is a 'buffer' synonym to an 'Oracle block' here?

(Running Oracle 7.3.3 on Solaris)

-- 
Jan

jantah_at_hot.mail.com
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