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命令行
mongo
use mydb
db.mydb.insert({_id:1,name:"李小红"})
第2关:创建集合
命令行输入:
mongo
use Testdb2
db. t_stu.insert([{_id:1,name:"小明",sex: "男",hobbies: ["乒乓球","羽毛球"]},
{_id:2,name:"小红",sex: "女",hobbies: ["画画","唱歌"]}])
第3关:文档操作一
命令行输入:
mongo
use Testdb3
document=([{_id:1,name:"张小华",sex: "男",phone: "12356986594",hobbies: ["打篮球","踢足球","唱歌"]}]);
db.stu1.insert(document)
db.stu2.insert(document)
db.stu3.insert(document)
db.stu2.update({phone: "12356986594"},{$set:{ phone: "18356971462"}})
db.stu3.save({_id:1,name:"张晓晓",sex: "女",phone: "12365498704",hobbies: ["跳舞","羽毛球","唱歌"]})
命令行
mongo
document=([{
name:'张小华',
sex:'男',
age:20,
phone:'12356986594',
hobbies:['打篮球','踢足球','唱歌']
},{
name:'李小红',
sex:'女',
age:18,
phone:'12355487536',
hobbies:['跳舞','唱歌']
}])
db.stu1.insert(document)
代码文件
#********* Begin *********#
echo "
document=([
{_id:1,name:'西西',sex:'女',age:23,national:'汉族'},
{_id:2,name:'东东',sex:'男',age:20,national:'苗族'},
{_id:3,name:'北北',sex:'男',age:19,national:'汉族'},
{_id:4,name:'南南',sex:'女',age:15,national:'傣族'}]);
db.stu1.insert(document);
db.stu2.insert(document);
db.stu1.find({'age':{\$gte:15},'sex':'女'});
db.stu1.find({'national':'苗族'});db.stu1.find({'age':{\$lt:20},'sex':'男'});
db.stu2.remove({});
"
#********* End *********#
(先复制代码文件,再来按顺序输命令行)
命令行(分步骤顺序运,不然会报错)
1. mongo --port 27017
2. use Testdb5
3. document=([{_id:1,name:"王晓丽",age:19,sex:"女",major:"计算机"}, {_id:2,name:"张明",age:21,sex:"男",major:"计算机"},
{_id:3,name:"秋雅",age:20,sex:"女",major:"播音主持"},
{_id:4,name:"张欣欣",age:18,sex:"女",major:"计算机"},
{_id:5,name:"袁华",age:20,sex:"男",major:"播音主持"},
{_id:6,name:"马冬梅",age:20,sex:"女",major:"表演"},
{_id:7,name:"夏洛",age:22,sex:"男",major:"表演"},
{_id:8,name:"李大春",age:23,sex:"男",major:"表演"}]);
4. db.student_t.insert(document);
代码文件
#********* Begin *********#
echo "
db.student_t.save({'_id':4,'name':'张欣欣','age':18,'sex':'女','major':'播音主持'});db.student_t.find({'age':{\$gte:20}});db.student_t.find({'sex':'男'});db.student_t.find({'major':'播音主持'});db.student_t.find({'major':'表演','sex':'女'});db.student_t.find({'_id':5});db.student_t.find({'name':'王晓丽'});
"
#********* End *********#
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