- open pgadmin
- create a db with name : exact_solution
- select the db in the list of dbs
- from tools option in the navbar, select create ERD, it will open the ERD tool
- click on load from file icon
- locate the scheema file which is located at the root of this project, named exact.pgerd
- when the erd is loaded, click on Generate sql option
- click the play button, it should excute ERD and create the tables and columns
After every edit on package.json , perform the following command " when you change your package. json file, and need to fetch new dependencies."
npm install