To remove a view, use the db.collection.drop() method on the view.
To modify a view, you can either:
Drop and recreate the view.
Use the
collModcommand.
Example
Consider the following view named lowStock:
db.createView(    "lowStock",    "products",    [ { $match: { quantity: { $lte: 20 } } } ] ) 
Drop and Recreate the View
The following commands modify lowStock by dropping and
recreating the view:
db.lowStock.drop() db.createView(    "lowStock",    "products",    [ { $match: { quantity: { $lte: 10 } } } ] ) 
Use the collMod Command
Alternatively, you can use the collMod command to modify the view:
db.runCommand( {    collMod: "lowStock",    viewOn: "products",    "pipeline": [ { $match: { quantity: { $lte: 10 } } } ] } )