>Hi,
>Are there any tools for us to insert, update, delete and search the database tables without
>writing any sql statement ?
>

Come on, Derek. You can do this. SQL was specifically designed to be accessible. It's true that advanced aspects of it are more complex but you can insert, delete, and search with ease. I don't know of any tools that will make it easier than it already is.

Here is one reference --

http://www.sqlcourse.com/intro.html

Until you are confident it's a good idea to work on a test copy first.