7_MongoDB_Relations_Read.md

to start mongoDB in local using brew - brew services start mongodb-community@8.0 to stop mongoDB in local using brew - brew services stop mongodb-community@8.0

1. @indexed(unique=true) - for indexing along with this there is entry needed in properties files for indexing.
   1. properties needs to be added - spring.data.mongodb.auto-index-creation=true
2. @DBRef - for referencing one entity with another entity in MongoDB. It will store reference/objectId if of the reference id.