mongodb truncate

One. MongoDB Insert Document Insert () methodTo insert data into a MongoDB collection, you need to use the MongoDB Insert () or Save () method.GrammarThe basic syntax for the Insert () command is as follows:>db. Collection_name.insert

Original link http://www.cnblogs.com/zhangzili/p/4975080.htmlMongoDB knowledge points at a glance1. Start the MongoDB database:Go to the MongoDB installation directory and execute the following commandC:\Program

Insert Document: Insert () method To insert data into the MongoDB collection, you need to use the MongoDB Insert () or Save () method. Grammar: The basic syntax for the Insert () command is as follows: >db. Collection_name.insert

MongoDB Delete document The MongoDB remove () function is used to remove data from the set. You can use the update () function to update MongoDB data. It is a good habit to execute the find () command before executing the remove () function to

MongoDB Delete DocumentIn the previous chapters we have learned how to add data and update data for a collection in MongoDB. In this section we will continue to learn about the deletion of the MongoDB collection.The MongoDB remove () function is

MongoDB journey (ii) basic operations (MongoDBJavascriptShell) Postedon after learning about MongoDB, here is a brief introduction to some simple operations on MongoDB. MongoDB Installation Introduction: MongoDBjavascriptshell is a javascript-based

MongoDB Delete DocumentIn the previous chapters we have learned how to add data and update data for a collection in MongoDB. In this section we will continue to learn about the deletion of the MongoDB collection.The MongoDB remove () function is

In the previous chapters we have learned how to add data and update data for a collection in MongoDB. In this section we will continue to learn the deletion of the MongoDB collection. The MongoDB remove () function is used to remove data from the

The MongoDB remove () function is used to remove data from the collection.The update () function can be used for MONGODB data updates. It is a good practice to execute the Find () command before executing the Remove () function to determine if the

The Ongodb remove () function is used to remove data from the collection.The update () function can be used for MONGODB data updates. It is a good practice to execute the Find () command before executing the Remove () function to determine if the