RE: Re: Opinions of high-volume DDL and data population

Raj,

Thanks, however adding the attribute to this table is the correct thing to do - it's a historical table to supply "show me something as at x date/time for the particular record". Basically when originally created (years before my time) someone assumed that a record would never be updated more often than once per second - they were wrong. So, whilst the timestamp doesn't create uniqueness we will add a version attribute (which already exists and is maintained on the primary table).

Regards,

      Mark.

                                                                                       
                                                
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... now from an entirely different angle ...

Mark,

It just _might_ be better if you create a separate table to store the pk from your students table and the total_attendance column. Why? Not only this column adding will be complicated, but maintaining this column in the same table would be very mutating-table-problem-friendly.

If you make it in a separate table (with PK from the original table), you can just create a trigger in the main table to maintain that value as well. Not to mention that this will be less of a problem in the future.

Raj

Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art ! (See attached file: ESPN_Disclaimer.txt)

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Received on Mon Jun 16 2003 - 17:46:16 CDT