mongo clear db

Anyone who first came into contact with MongoDB was surprised that it was greedy for memory. For the reason, let me first talk about how Linux manages memory, and then how MongoDB is. When memory is used, the answer is clear. It is said that

TP already supports MongoDB database, here is a detailed description of the configuration and use of MONGO on TP. (1) There is a bug in the original class of/think/model/mongomodel.class.php in the tp3.2.2 version. We need to add some code to the

Install and use PyMongo. Here is a simple installation and usage record. First, you must have an available mongo environment, either win or linux. Suppose you have some knowledge about mongo and some command line operations. Installation and update

/***** PHP MongoDB learning notes *///*************************// ** connect to the MongoDB database ** // ***************************** // format => ("MongoDB: // username: password @ address: Port/default database specified ", parameter) $ conn =

[Mongo] install and use PyMongo, mongopymongoInstall and use PyMongo Here is a simple installation and usage record. First, you must have an available mongo environment, either win or linux environment. Suppose you have some knowledge about mongo

Php uses the update method in the mongo driver to insert 8 data into an integer array (the array is like this, list: [, 4]) and converts it to numberlong (8 ). Converting 8 to the two classes defined in the driver: Optional int32 and optional int64

Original link: "MongoDB" Windows platform build MONGO database replica set (similar cluster) (i)Replica sets (replica set) is a new feature that starts with the mongodDB1.6 version, which enables automatic failover and automatic repair of feature

Mongo-js-20141126, JavaScript#! /Bin/sh# Create a 0-byte document. If yes, clear it.:> SubsidiaryCode.txtTlist = 'cat./AccountGuid.txt ';For I in $ tlistDoTEMP_LIST = $ I;# Print the value obtained from $ TEMP_LIST.# Printf "AccountGuid: $ TEMP_LIST

Mongo server cluster configuration learning secondary replica set the so-called replica set is a master-slave cluster with automatic fault recovery function. The biggest difference between master-slave replication and replica set in learning No. 1

In the traditional database, we have to manipulate the database data to write a large number of SQL statements, and in the storage of irregular data, the traditional relational database table when the processing of different fields appears to be a