TJ is Blogging!

This is based on my personal experience working on MongoDB with a Java app. My Java app is a Springboot app using Spring Data MongoDB to connect with the database. And here is the maven dependency that I used. <dependency> <groupId> org.springframework.boot </groupId> <artifactId> spring-boot-starter-data-mongodb </artifactId> </dependency> Before jumping into the problem, let me just brief about the indexes that we are using here. Indexes Indexes are set to a collection because, during my operations, I might need the collections to be queried based on these indexed fields faster and efficiently. Unique index : This could be a field that is unique for each document that you are saving in the collection. This field can be a Candidate key which would be a field where you could use to uniquely identify a document. Sometimes these indexes are created as a validation in the database level. So, you cannot insert two similar re...