Mongo Database - Day 33

CURD operation is one of the main operation used in Database.

C -Create

U - Update

R - Read

D - D 

The basic syntax of update() method is as follows >db.COLLECTION_NAME.update(SELECTION_CRITERIA, UPDATED_DATA)
Following example will set the new title 'Parathan' of the documents whose title is 'Jaffna'.

>db.mycol.update({'title':'Jaffna'},{$set:{'title':'Parathan'}})