Yeap, Alzabo does this too.

Wheels ... reinventing ...

But hey, it's your choice. You can write your own tool which may or may not get used by others, to which you'll have to add all your own new features, which you'll have to debug. And you _will_ add more features. I guarantee it. When I first started Alzabo, I didn't need feature X. Then later I did, and I added it. Or someone else asked for it. It's a better tool for it, but it is big. But it's closer to _complete_ than anything anyone could whip up from scratch (unless scratch means 2.5 years of development!).

Or you can use an existing, supported tool which has other users and for which you can simply submit bug reports, like say Alzabo, SPOPS, or Class::DBI.