> t.find(

{x:1}

)

{ "_id" : ObjectId("4e8634b96c26412b2e1418b4"), "x" : 1, "y" : [ 2, 3, 4, "abc", "xyz" ] }

>
> t.update(

{x:1}

, {$pull:{y:3}})
> t.find(

{x:1}

)

{ "_id" : ObjectId("4e8634b96c26412b2e1418b4"), "x" : 1, "y" : [ 2, 4, "abc", "xyz" ] }

>
> t.update(

{x:1}

, {$pull:{y:{$lt:3}}})
> t.find(

{x:1}

)

{ "_id" : ObjectId("4e8634b96c26412b2e1418b4"), "x" : 1, "y" : [ 4, "abc", "xyz" ] }

> t.update(

{x:1}

, {$pull:{y:/yz/}})
> t.find(

{x:1}

)

{ "_id" : ObjectId("4e8634b96c26412b2e1418b4"), "x" : 1, "y" : [ 4, "abc", "xyz" ] }