How to update a column in a table based on the columns in another table(both the tables are having around 4 millions of records).

Hi,

I have two tables one is having 8 million records and another table with 2 million records.

Now i want to update a column in table1 with a column in table2.

Have  4 columns of type varchar are common in both the tables i need to apply join on two tables comparing the data in the 4 columns.

How can i achieve this using SSIS.

Mohan