To import schema to the database, follow below steps
Export or save your schema to sql file
Rename file to my_shema.sql
Copy my_schema.sql file to /config directory of your application
Mark check Import Database in Database Connection Setup page
Installer will automatically import your schema to the database
NOTE: Schema Import may take some time depending on the schema size. Please, do not close the window or refresh the page after clicking Create Schema button
Please make sure file name is my_shema.sql and it must be an exported file or has been checked for any error in the file before importing. This plugin will not check for errors in your my_schema.sql file