(MacOSX 10.8.3)
$ sudo port install mongodb
:
###########################################################
# A startup item has been generated that will aid in
# starting mongodb with launchd. It is disabled
# by default. Execute the following command to start it,
# and to cause it to launch at startup:
#
# sudo port load mongodb
###########################################################
:
$ sudo port load mongodb
$ mongo
MongoDB shell version: 2.4.2
connecting to: test
> db
test
> show dbs
local 0.078125GB
> use mydb
switched to db mydb
> db
mydb
> show dbs
local 0.078125GB
> dbs
Sun Apr 28 12:42:17.545 JavaScript execution failed: ReferenceError: dbs is not defined
> use test
switched to db test
> db
test
> help
db.help() help on db methods
db.mycoll.help() help on collection methods
sh.help() sharding helpers
rs.help() replica set helpers
help admin administrative help
help connect connecting to a db help
help keys key shortcuts
help misc misc things to know
help mr mapreduce
show dbs show database names
show collections show collections in current database
show users show users in current database
show profile show most recent system.profile entries with time >= 1ms
show logs show the accessible logger names
show log [name] prints out the last segment of log in memory, 'global' is default
use <db_name> set current database
db.foo.find() list objects in collection foo
db.foo.find( { a : 1 } ) list objects in foo where a == 1
it result of the last line evaluated; use to further iterate
DBQuery.shellBatchSize = x set default number of items to display on shell
exit quit the mongo shell
> db
test
> use mydb
switched to db mydb
> j = {name:"mongo"}
{ "name" : "mongo" }
> k={x:3}
{ "x" : 3 }
> db.things.insert(j)
> db.things.insert(k)
> show collections
system.indexes
things
> db.things.find()
{ "_id" : ObjectId("517c9ae34f43e339bf279677"), "name" : "mongo" }
{ "_id" : ObjectId("517c9ae64f43e339bf279678"), "x" : 3 }
> for (var i = 1; i <= 20; i++) db.things.insert( { x : 4 , j : i } )
> db.things.find()
{ "_id" : ObjectId("517c9ae34f43e339bf279677"), "name" : "mongo" }
{ "_id" : ObjectId("517c9ae64f43e339bf279678"), "x" : 3 }
{ "_id" : ObjectId("517c9b274f43e339bf279679"), "x" : 4, "j" : 1 }
{ "_id" : ObjectId("517c9b274f43e339bf27967a"), "x" : 4, "j" : 2 }
{ "_id" : ObjectId("517c9b274f43e339bf27967b"), "x" : 4, "j" : 3 }
{ "_id" : ObjectId("517c9b274f43e339bf27967c"), "x" : 4, "j" : 4 }
{ "_id" : ObjectId("517c9b274f43e339bf27967d"), "x" : 4, "j" : 5 }
{ "_id" : ObjectId("517c9b274f43e339bf27967e"), "x" : 4, "j" : 6 }
{ "_id" : ObjectId("517c9b274f43e339bf27967f"), "x" : 4, "j" : 7 }
{ "_id" : ObjectId("517c9b274f43e339bf279680"), "x" : 4, "j" : 8 }
{ "_id" : ObjectId("517c9b274f43e339bf279681"), "x" : 4, "j" : 9 }
{ "_id" : ObjectId("517c9b274f43e339bf279682"), "x" : 4, "j" : 10 }
{ "_id" : ObjectId("517c9b274f43e339bf279683"), "x" : 4, "j" : 11 }
{ "_id" : ObjectId("517c9b274f43e339bf279684"), "x" : 4, "j" : 12 }
{ "_id" : ObjectId("517c9b274f43e339bf279685"), "x" : 4, "j" : 13 }
{ "_id" : ObjectId("517c9b274f43e339bf279686"), "x" : 4, "j" : 14 }
{ "_id" : ObjectId("517c9b274f43e339bf279687"), "x" : 4, "j" : 15 }
{ "_id" : ObjectId("517c9b274f43e339bf279688"), "x" : 4, "j" : 16 }
{ "_id" : ObjectId("517c9b274f43e339bf279689"), "x" : 4, "j" : 17 }
{ "_id" : ObjectId("517c9b274f43e339bf27968a"), "x" : 4, "j" : 18 }
Type "it" for more
> exit
bye