> Just to add to Helen's comments. A metadata change is any kind of DDL,

e.g.

> if you set an index to inactive before doing some batch inserts and then
> set it active afterwards, you've already done two metadata changes. But
> these 254 changes are to each database object within the database, so

we're

> not talking about 254 changes in total to the database.

Just curiosity,

why does this limit exist? Does it exist in all the RDBMS?

Xavi.