use jinxt
db.adou.insert({name:"jinxt",age:"28"}); //剛創建的數據庫 jinxt并不在數據庫的列表中， 要顯示它，我們需要向 jinxt數據庫插入一些數據
show dbs
db.dropDatabase(); //刪除數據庫

use jinxt
db.adou.insert({name:"jinxt",age:28,sex:"男",tags:["高大","威武","雄壯"]});
document=({name:"jinxt2",age:29,sex:"男",tags:["高大","威武","雄壯"]});
db.adou.insert(document);
db.adou.find();