Im system based on C # language--database structure diagram (Communication framework for networkcomms2.3.1) "Coming Open source"

Source: Internet
Author: User

The database uses MSSQL 2005

There are four of tables

Offlinemessage offline messages stored in this table if the friend is not on the line when the message is sent

After waiting for a friend to go online, the server gets a message from this table, sends it to a friend, and deletes the sent offline message from the table.

Rcusers Table User Table store user Information Protection login ID password gender etc.

UserGroup Organization User group whether the user belongs to a sales group or a development group

RoleGroup Permissions User group store whether the user belongs to a manager or employee (not used in differential IM)

Im system based on C # language--database structure diagram (Communication framework for networkcomms2.3.1) "Coming Open source"

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.