Suggestions for enhancing database management tools

### Description

Netbeans IDE database management tool can only create database connections, libraries, and tables, and cannot be edited or modified, No editing or modification at all, as shown in the following image:

### Use case/motivation

Better interactive experience, improving work efficiency

### Related issues

_No response_

### Are you willing to submit a pull request?

No

Start by reviewing the database management tool UI shown in the attached images and locating the existing connection, library, and table management entry points. The issue names no files, tests, or specific editing operations, so the supported modifications and completion checks need to be defined before implementation can begin.

Written by the indexing model from the issue text.