Deleting rows from one table based upon rows in another tableI need to delete rows from table1 based on rows in table2.
table1 has 1.5 million rows from which I need to delete
20,000 existing in table2. The table structures are the same
and I must exactly match 10 (of the 15) columns in the
tables. I also need to limit the number of rows being worked
on, in a single transaction, to 500 or so.
Hi Mike,
try the following:
set rowcount 500
DELETE table1
from table1 t1,table2 t2
where t1.col1=t2.col1 and t1.col2=t2.col2 and t1.col3=t2.col3 and ........
t1.col10=t2.col10
HTH.
Regards
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