I don't know. I've never done this before. You should have a complete set of electronic documents at hand. The key is to find the correct system table or view. I remember this is not a system view of the index.

3. Does this have anything to do with what you want to do? Don't bump around like a headless fly.

4. You don't need to delete the table. If you don't even understand the basic sentence commands, you can only read books.

There are many reasons for slowness, so eliminate them step by step until you find the real reason. It's no use rushing.

6. By default, it will be built into the user's default tablespace.

7. It depends on your maintenance needs. At least figure out what's going on in your library first. Judging from these problems, you are a layman at all, and you don't even know what the library is all about.