Common commands for mongodb

Help show dbs show database names show collections in current database show users in current database show profile show most recent system. profile entries with time> = 1 ms use <db name> set curent database to <db name> db. addUser (username, password) db. removeUser (username) db. cloneDatabase (fromhost) db. copyDatabase (fromdb, todb, fromhost) db. createCollection (name, {size :..., capped :..., max :...}) db. getName () db. dropDatabase () // runs the collstats] command on each collection in the database db. printCollectionStats () db. currentOp () displays the current operation in the db. killOp () kills the current operation in the db. getProfilingLevel () db. setProfilingLevel (level) 0 = off 1 = slow 2 = all db. getReplicationInfo () db. printReplicationInfo () db. printSlaveReplicationInfo () db. repairDatabase () db. version () current version of the server db. shutdownServer () ===== ddl db. foo. drop () drop the collection db. foo. dropIndex (name) db. foo. dropIndexes () db. foo. getIndexes () db. foo. ensureIndex (keypattern, options)-options object has these possible fields: name, unique, dropDups db. foo. find ([query], [fields])-first parameter is an optional query filter. second parameter is optional set of fields to return. e.g. db. foo. find ({x: 77}, {name: 1, x: 1}) db. foo. find (...). count () db. foo. find (...). limit (n) db. foo. find (...). skip (n) db. foo. find (...). sort (...) db. foo. findOne ([query]) db. foo. getDB () get DB object associated with collection db. foo. count () db. foo. group ({key :..., initial :..., reduce :... [, cond:...]}) db. foo. renameCollection (newName) renames the collection db. foo. stats () db. foo. dataSize () db. foo. storageSize ()-Primary des free space allocated to this collection db. foo. totalIndexSize ()-size in bytes of all the indexes db. foo. totalSize ()-storage allocated for all data and indexes db. foo. validate () (slow) db. foo. insert (obj) db. foo. update (query, object [, upsert_bool]) db. foo. save (obj) db. foo. remove (query)-remove objects matching query remove ({}) will remove allPasted from: http://www.mongodb.org/display/DOCS/DBA+Operations+from+the+Shell>