Mongodb: Difference between revisions
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* To remove all documents that do not have a range of values:  | * To remove all documents that do not have a range of values:  | ||
  db.inventory.remove( { type : { $nin: ["Apple", "Mango"] } } )  |   db.inventory.remove( { type : { $nin: ["Apple", "Mango"] } } )  | ||
==== Run a script or statement from command line ====  | |||
 # This will drop the bookstore db  | |||
 mongo bookstore --eval "printjson(db.dropDatabase())"  | |||
Revision as of 19:30, 28 January 2020
Installation
UI tools =
- MongoDB_Admin
 
git clone https://github.com/hatamiarash7/MongoDB_Admin cd MongoDB_Admin npm start &
- Robo 3T
 
~/apps/robo3t/bin/robo3t &
Querying
- OR
 
{"$or": [{"firstName": "Michael"}, {"firstName": "Tom"}]}
- To remove all documents that do not have a certain value:
 
db.inventory.remove( { type : { $ne: "food" } } )
- To remove all documents that do not have a range of values:
 
db.inventory.remove( { type : { $nin: ["Apple", "Mango"] } } )
Run a script or statement from command line
# This will drop the bookstore db mongo bookstore --eval "printjson(db.dropDatabase())"