Table Structure of discuz users, posts, and replies

Please help me. I have studied the discuz table structure myself. I want to transfer the data of my original website to discuz, please tell me what tables are required for creating users, what tables are required for creating sections and groups, and what tables need to be created for posting and replying... I have studied the discuz table structure by myself.

I want to transfer data from my own website to discuz. Please let me know

Which tables need to be operated to create a user,
Which tables are required for creating sections and groups,
Tables to be created for posting and replying,

Please tell me'

Reply content:

I have studied the discuz table structure by myself.

I want to transfer data from my own website to discuz. Please let me know

Which tables need to be operated to create a user,
Which tables are required for creating sections and groups,
Tables to be created for posting and replying,

Please tell me'

Not necessarily the latest. How can this be a reference?
Http://doc.ipple.net/discuz/