MongoDB（mongodb-win32-x86_64-enterprise-windows-64-4.2.1-signed.msi）下载，启动和插入数据，查询

MongoDB Enterprise > use testdbswitched to db testdbMongoDB Enterprise > db.stats(){ "db" : "testdb", "collections" : 0, "views" : 0, "objects" : 0, "avgObjSize" : 0, "dataSize" : 0, "storageSize" : 0, "numExtents" : 0, "indexes" : 0, "indexSize" : 0, "scaleFactor" : 1, "fileSize" : 0, "fsUsedSize" : 0, "fsTotalSize" : 0, "ok" : 1}MongoDB Enterprise > db.company.insert({name:"andy",age:20})WriteResult({ "nInserted" : 1 })MongoDB Enterprise > db.company.find(){ "_id" : ObjectId("5daeb24ed0866807b20fe9ca"), "name" : "andy", "age" : 20 }

MongoDB Enterprise > db.company.insert(... [... { name:"cindy",age:23},... { name:"douglas",age:34}... ]... )BulkWriteResult({ "writeErrors" : [ ], "writeConcernErrors" : [ ], "nInserted" : 2, "nUpserted" : 0, "nMatched" : 0, "nModified" : 0, "nRemoved" : 0, "upserted" : [ ]})MongoDB Enterprise > db.company.find(){ "_id" : ObjectId("5daeb24ed0866807b20fe9ca"), "name" : "andy", "age" : 20 }{ "_id" : ObjectId("5daeb3e7d0866807b20fe9cb"), "name" : "金兀术", "age" : 28, "sex" : "Male" }{ "_id" : ObjectId("5daeb4bcd0866807b20fe9cc"), "name" : "cindy", "age" : 23 }{ "_id" : ObjectId("5daeb4bcd0866807b20fe9cd"), "name" : "douglas", "age" : 34 }{ "_id" : ObjectId("5daeb4fed0866807b20fe9ce"), "name" : "cindy", "age" : 23 }{ "_id" : ObjectId("5daeb4fed0866807b20fe9cf"), "name" : "douglas", "age" : 34 }{ "_id" : ObjectId("5daeb50ed0866807b20fe9d0"), "name" : "cindy", "age" : 23 }{ "_id" : ObjectId("5daeb50ed0866807b20fe9d1"), "name" : "douglas", "age" : 34 }{ "_id" : ObjectId("5daeb53fd0866807b20fe9d2"), "name" : "cindy", "age" : 23 }{ "_id" : ObjectId("5daeb53fd0866807b20fe9d3"), "name" : "douglas", "age" : 34 }MongoDB Enterprise >