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  3. May 2009

RE: Add fields to physical file without exclusive lock _ formerly Re:Stupid question of the century


Sharon Wintermute wrote:

The speed gained in "activating new fields" does NOT outweigh the
long-term benefits of a valid database definition. You end up creating
more problems that the one you are trying to solve.

What Sharon said.

How many times a year does this ALTER TABLE really happen? Once?
Twice? Why stand on one's head to make a DB file not be a DB file, give
up (among many other things) ad hoc queries on new fields, all to save a
few rare functions, however difficult they are to schedule?



Larry Loen
www.applicationperformancegroup.com



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