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Lessons:-find() method with Projection

find() method with Projection

The basic syntax of find() method with projection is as follows

 > db.COLLECTION_NAME.find ( { },{ KEY:1 } );

 

  If you want to show all documents without the age field then the command is as follows

db. people.find ( { },{ age : 0 } );

 

    If you want to show all documents the age field then the command is as follows

 

The b

 
 
 
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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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