At 02:51 PM 6/24/04, Graham Leggett wrote:
>I have an existing table containing a column in it containing a money
>value. I would like to normalise this column into a separate table, as the
>money value is to be expanded to contain a tax value, etc.
>
>I have been trying to find a SQL query that will do the following:
>
>- Select the money column from the table
>- Populate the new normalised table with each row containing the value
>from the original money column
>- Write the primary keys of the new rows in the normalised table, back to
>a new column in the original table added for this purpose.
>
>This third step I am struggling with - can anyone suggest a query that
>might achieve the writing back of the primary key to the original table?
Do all three steps in one command:
create table newtable as (select key1, key2, money from oldtable);
Frank
