Database schema for advance blog with django

i'm still new on programming but i have some knowladge about html php mysql python and django, i need some refrence on design a database schema for Blog, im using python and django as my main framework. here my database schame for creating a blog, i need help to work and completing my frist serius blog programming langgue what i want i want to create a blog looklike wordpress.

table catagory : categoryID,createdate,modifieddate,createby,modifiedby,category,description,slug,image

table tag :

tagID, createdate, modifieddate, createby, modifiedby, tag, description, slug

table post :

postID, createdate, modifieddate, createby, modifiedby, title,  content, description, slug, image, commentstatusONof,

table postcategorytag :

postcategorytagID, posID, categoryID, TagID

table comment :

commentID, createdate, name,  comment, email

table postComment :

postcommentID, postID,CommentID

Is any thing shuld i add , or please share your database schema for blog .