How to get Record Count Of a Database Tables in DBCNT?

HI ALL,
I checked these threads...
Select Count
SY-SUBRC
my question is ..
i uploaded data to table.. 39 records..
but when i debug the reprot sy-dcnt value showing 100 times...?
100 times execution going in select and endselect statement..
can any body explain...it?

Hi,
see this code
data:itab like mara occurs 0 with header line.
select * from mara into table itab UP TO 20 rows where matnr like 'C%'.
write:/ sy-dbcnt.
LOOP AT itab.
write:/ sy-tabix.
ENDLOOP.
rgds,
bharat.

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