Preliminary preparation: PowerDesigner12 or later and PDMReader software
PowerDesigner download address: https://www.onlinedown.net/soft/577763.htm
PDMReader download address: http://www.downza.cn/soft/237177.html
1. Open PowerDesigner and connect to the data source File-> Reverse Engineer-> Database
2. Select DBMS as the corresponding database version
3. Configure the data source
Click Next to finish, create data source
4. Select the newly created data source and enter the password of the database account. After successful import and save it as a pdm file
5. Open the PDMReader and import the pdm file. Pay attention to the import to avoid the file occupation. Click the dictionary export to export the data dictionary word
