I found one of the problems in using drupal database is sometimes it doesn't refresh.
In version 4.6x when i import the nodes, the existing data disappered on the page. But it is in the DB and so i did one by one edit and it appears on the page again.
In version 4.7x, sometimes the content created with flexinode automatically disappear and cannot view. But it is in DB and it can be editable.
Can anyone help to solve that problem?
I think it is database problem and if i'm wrong, please correct me by explaining more detail for that problem.
Any help and suggestion is appreciated.