Re: [HACKERS] Re: Feature Request

At 04:40 PM 2/23/00 -0600, Ross J. Reedstrom wrote:

>"Adding a column to a relational database table seldom breaks
>queries. Until Oracle 8.1.5, you weren't able to drop a column."
>
>My guess would be that Oracle found out internally  what we've been
>discussing here: doing DROP COLUMN right is _hard_.

They ended up providing both kinds of drop that have been discussed
here, i.e. a slow one that actually mucks through the table getting
rid of physical data, and a quick one that simply marks the column
as being invisible resulting in it being ignored in the future.




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