Re: Anyone have a well normalized DB2 database and use RPG? -- MIDRANGE-L

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The rule is still always the same. Design and build the database normalized
and de-normalize only if you have a performance issue.

On Tue, Oct 29, 2013 at 4:25 PM, Raul A. Jager W. <raul@xxxxxxxxxx> wrote:

It is usual to put a "balance" in master files, even if in a normalized
database must be calculated as the sun of the transactions. This because
cost of sum, but in 7.1 you can create an EVI over the transaction
table, and get the sum very fast, so no need to "de-normalize" to gain
performance.

Nathan Andelin wrote:

I began normalizing database tables to 3rd + normal form in 1982; still

do today.

-Nathan

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