MongoDB opposite of $addToSet
Solution 1:
I think you are looking for $pull, which "removes all instances of a value from an existing array".
db.collection.update(
{name: 'object1'},
{$pull: { tags: 'dah'}});
I think you are looking for $pull, which "removes all instances of a value from an existing array".
db.collection.update(
{name: 'object1'},
{$pull: { tags: 'dah'}});