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paul rivers wrote:
> Out of curiosity, which "big, expensive enterprise database" are
> you spoiled by? Many that I support do not allow DDL within an
> transaction, or if they allow it, there are many caveats and
> rules.
Oracle Rdb. Built by DEC back in the early 1980s. It's had
tablespaces (Storage Areas in Rdb parlance) since the late 80s.
Tables (including the system catalog, which itself is a set of
tables) all go in a Storage Area. If you don't specify one, it does
in the default: RDB$SYSTEM.
Creating a table is no more than inserting records into a few system
tables, and allocating a few pages in the relevant Storage Area.
Thus, rolling back most all DDL is built deep into the engine.
http://www.oracle.com/technology/products/rdb/index.html
- --
Ron Johnson, Jr.
Jefferson LA USA
Is "common sense" really valid?
For example, it is "common sense" to white-power racists that
whites are superior to blacks, and that those with brown skins
are mud people.
However, that "common sense" is obviously wrong.
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