MongoDB Note 8-Vernier
Shell statement: var allpersons = db.persons.find ()
While (allpersons.hasNext ()) {
Var elemt = allpersons.next ()
Print (elemt.name)
}
Cursor destruction condition
A message from the client told it to destroy.
Cursor iteration completed
The default cursor will be clear for more than 10 minutes.
Query snapshot needs to be further explored
