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Lessons:-Aggregate query examples useful for work and learning

Aggregate query examples useful for work and learning

Aggregation is used to perform complex data search operations in the mongo query which can't be done in normal "find" query.

Create some dummy data:

 

Examples by topic:

1. Match: Used to match documents (like SQL where clause)

 

2. Project: Used to populate specific field's value(s)

project stage will include _id field automatically unless you specify to disable

 

 

 

 
 
 
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Anil  Bist

Skills    Mongodb

Qualifications :- High School - SLV, College/University - Graphic Era Deemed Univ University,
Location :-Dehradun,Dehradun,Uttarakhand,India
Description:-

in 2006, i Join a web development company in Bangalore and start work on "Ruby on Rail" this is my first web development framework and we worked in this framework and develop four to five project after some time , I moved to JEE/Sturst frame work,

After some time i decided that now times come and I have to go on in my own way and I started a company name is "Soarlogic&q
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