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Modify or Remove a View

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 collMod command.

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 } } } ]} )
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