Update a column in table using SQL*Loader? SQL*Loader does not perform updates, only inserts. Adding one month to SYSDATE. SQL> SQL> SQL> -- Adding one month to SYSDATE. SQL> SELECT ADD_MONTHS(TO_DATE('31-MAR-97'),1) from DUAL; ADD_MONTH ----- 30-APR-97 SQL. ![]() SQL > ALTER TABLE > Drop Column Syntax. Sometimes we will wish to delete a column from an existing table in SQL. To do this, we specify that we want to change the. So, you should insert your names into a separate table, say names, and run your update from that: update partner set is_seller_buyer=1 where id in (select id from partner. Your loader script can be changed to: load data. An alternate to this is to use External Tables which allows Oracle to treat a flat file like it is a table. An example to get you started can be found here.
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