MongohumongousMongoDBNoSQL風(fēng)，指的就是那些不用SQL作為查詢語言的數(shù)據(jù)系統(tǒng)，而文檔數(shù)據(jù)庫MongoDB正是NoSQL的代表。庫，而在NoSQL序列中，Mongodb第一，且有上升的趨勢表列1 1xvzf1export$PATH:<你機器MongoDB source1p1mongod#1mongod#如果你不希望使用的默認數(shù) 可以通過添加‐‐dbpath參數(shù)指定路mongod--logpath/data/db/logpath/output--logpathmongo‐‐mongo‐‐host<HOSTNAME>‐‐port#2.2.1useadmin#設(shè) 3 user:pwd:rolesroles["root"}910showusers11db.shutdownServerexit5.5.1mongod11mongo‐u7.連上就可以進行操作：綁定的IP綁定的IPIP:，1mongod‐‐bind_ip11mongo‐host192.168.109.200‐u通過命令11輸入db33useexample1db.集合doc,{writeConcern560：發(fā)起寫操作，不關(guān)心是否成功{6在客戶端驅(qū)動生成，一定程度上代表了順序性，但不保證順序性，可以通過ObjectId("id[{doc},{doc writeConcern:doc,}7{item:"journal",qty:25,status:"A",size:{h:14,w:21,uom:"cm"},tags:["blank","red"]},{item:"notebook",qty:50,status:"A",size:{h:8.5,w:11,uom:"in"},tags:["red","blank"]},{item:"paper",qty:10,status:"D",size:{h:8.5,w:11,uom:"in"},tags:["red","blank"," in"]},{item:" nner",qty:0,status:"D",size:{h:22.85,w:30,uom:"cm"},tags:["blank","red"]},{item:"postcard",qty:45,status:"A",size:{h:10,w:15.25,uom:"cm"},tags:["blue"]}7 db.inventory.find({status:"D"});db.inventory.find({qty:0});db.inventory.find({qty:0,status:"D"}db.inventory.find({},{item:1,status:1}a<>1或者{a:{$ne:{a:{a:{a:{a:{{a:{$in:[x,y,not{a:{$nin:[x,y,ais{a:{$exists:falseinsert支持exin命令{_id:{product_name:1,product_type:rId:"create_Time:new}){{}111{field：{{expression}1{{100}}} 1{$and:[1{$and:[conditionexpression1,condition 1[{""}},{1{ "},{1{1000,11{$or:{nickName:{$eq: {points:{51{$or1{$or:{condition1,condition2,condition3,...1{1{field:{$exists:<boolean>}11cursor.count(countskiplimitlimitskip為true。分布式環(huán)境下，count不保證數(shù)據(jù)的絕對正確11cursor.sort(1{field1{field:當(dāng)同時應(yīng)用sortskiplimit時，應(yīng)用的順序為sortskip，11db.collection.find查詢條件投影設(shè)置field:<1：10：0，或者1段，不能同時混選0或1>}101,101,如，先添加一個數(shù)組元素的文檔{_id:{uid:3,accountType: 8slice:slice[1,2skip,limit{_id:{uid:4,accountType:"qq"}, 711 tag:{$elemMatch:{$eq:"00"}7{name:"zhansan",4{711 userInfo中，會計和程序員的文檔[]1111db.collection.update({$set:{flag:15 $