Welcome to one more quick session on MongoDB CRUD Basics with Update and Delete Operations. MDB Provides below methods under these operations -
** Update
* update_one
* update_many
* replace_one
** Delete
* delete_one
* delete_many
For on Mongo DB -> Link
As it is quite clear from the name itself (_one and _many) that these methods perform the operation on single or multiple records based on the passed condition.
There are so many operator supported by update statement, few are as below -
$set - Add new or update field value
$unset - Remove field
$inc - increment the current value
$push - push element into array field
$push with $each - push multiple elements into array field
$pop - pull out last value from array field
There are many more Update operators support by MongoDB, Full list can be found HERE
CRUD Operation - (Update & Delete) : Link
Facebook Page Facebook Group Twitter Feed Google+ Feed Telegram Group