Deleting rows from one table based upon rows in another table
I 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.
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Mike
1/19/2004 11:33:09 AM
sybase.ase.general
8655 articles. 
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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 P:S You must re-execute the DML statement above 40 times to delete 20,000 rows ALPER ONEY SYBASE DBA I.S.E TAKASBANK INC TEL:+902123152109 <Mike Watson> wrote in message news:400bc2b1.2602.846930886@sybase.com... > I 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.
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ALPER
1/19/2004 11:44:36 AM
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