mongodb 数据库创建和删除
MongoDB创建数据库可以使用use指令: 如下: use mydb; 这样就创建了一个数据库。 这一步很重要如果什么都不操作离开的话 这个库就会被系统删除。 验证------------------------------- 然后使用插入语句: db.user.insert({name:'zhouzhigang'}); 在使用下列
MongoDB创建数据库可以使用use指令:
如下:
use mydb;
这样就创建了一个数据库。
这一步很重要如果什么都不操作离开的话 这个库就会被系统删除。
验证-------------------------------
然后使用插入语句:
db.user.insert({name:'zhouzhigang'});
在使用下列命令查看
show collections; ---查看‘表’
show dbs ---查看库
如图操作:

mongodb 删除数据库
use mydb;
db.dropDatabase();

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