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What's faster - loop for insert or insert...select. - Coldfusion Database Access

What is faster if I'm moving large numbers of records (anywhere from 10,000 to 300,000 records per archive) from one query to another table? 1) Query master table, loop through result set and insert into archive table 1 record at a time. or 2) Have this: Insert into archive select * from mastertable where (condition=value)...

  1. #1

    Default What's faster - loop for insert or insert...select.

    What is faster if I'm moving large numbers of records (anywhere from 10,000 to
    300,000 records per archive) from one query to another table?

    1) Query master table, loop through result set and insert into archive table 1
    record at a time.
    or
    2) Have this:
    Insert into archive
    select * from mastertable
    where (condition=value)

    mr. modus Guest

  2. #2

    Default Re: What's faster - loop for insert or insert...select.

    Option 2 is better by far.

    Option 2 without using cold fusion is even better if that option is available to you.


    Dan Bracuk Guest

  3. #3

    Default Re: What's faster - loop for insert or insert...select.

    If you use a database that handles stored procedures do it in the database.
    The database server always gives you the best performance.
    TheCoolLion Guest

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