MongoDB provides a wonderful feature to combine many queries to get combined data. That is aggregations queries.

Why to use these aggregation queries ?

Basic CRUD operations can give all the data with specified filter from collection, but what if we want data which satisfies some conditions. We can get…


MonogoDB is a No-SQL Database. OK.So what is this No-SQL Database means?

In the world we live digital data is stored mostly in forms when it comes to Database storage either in structured format of tables with all the fields predefined and exist for sure, then comes the other format…


Every application needs a server for sure to run. What server-less means is one need not worry about the server configurations for deploying the application. …

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