{"id":385,"title":"mongodb\u96c6\u5408\u521b\u5efa\u4e0e\u5220\u9664","good":0,"bad":0,"hit":2385,"created_at":"2018-08-01 23:49:29","content":"

\u5173\u4e8e\u96c6\u5408\u7684\u4ecb\u7ecd\u53ef\u4ee5\u770b\u8fd9\u91cc\uff1a<\/p>

https:\/\/www.w3cschool.cn\/mongodb\/mongodb-dropdatabase.html<\/a> <\/p>

\u5728 MongoDB \u4e2d\uff0c\u4e0d\u9700\u8981\u521b\u5efa\u96c6\u5408\u3002\u5f53\u63d2\u5165\u4e00\u4e9b\u6587\u6863\u65f6\uff0cMongoDB \u4f1a\u81ea\u52a8\u521b\u5efa\u96c6\u5408\u3002<\/span><\/p>

<\/span><\/p>

> db.createCollection("userCollection")<\/p>

{ "ok" : 1 }<\/p>

> show collections<\/p>

centos_hr_study<\/p>

userCollection<\/p>

> db.userCollection.insert({"name":"\u5f20\u4e09","age":"20"})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

> db.centos_hr_study.insert({"name":"\u5f20\u4e09","age":"20"})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

> db.centos_hr_study.insert({"name":"\u5f204","age":"40"})<\/p>

WriteResult({ "nInserted" : 1 })<\/p>

> <\/p>

<\/p>

\u53ef\u4ee5\u6e05\u6670\u7684\u770b\u5230\u6211\u4eec\u521a\u624d\u64cd\u4f5c\u4ea7\u751f\u7684\u6570\u636e\uff1a<\/p>

\"image.png\"\/<\/p>

<\/p>

\"image.png\"\/<\/p>

<\/p>

\u5220\u9664\u96c6\u5408\uff1a<\/p>

> db.userCollection.drop()<\/p>

true<\/p>

> <\/p>

<\/p>"}