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The installers for MongoDB are available in both the 32-bit and 64-bit format. The 32-bit installers are good for development and test environments. But for production environments you should use the 64-bit installers. Otherwise, you can be limited to the amount of data that can be stored within MongoDB.
In this tutorial, you will learn –
How to Download & Install MongoDB on WindowsThe following steps can be used to download and install MongoDB on Windows 10
Step 1) Download MongoDB Community Server
Go to link and Download MongoDB Community Server. We will install the 64-bit version for Windows.
Step 3) Accept the End-User License Agreement
Accept the End-User License Agreement
Step 5) Service Configuration
Select “Run service as Network Service user”. make a note of the data directory, we’ll need this later.
Step 6) Start installation process
Hello World MongoDB: JavaScript Driver
Drivers in MongoDB are used for connectivity between client applications and the database. For example, if you had Java program and required it to connect to MongoDB then you would require to download and integrate the Java driver so that the program can work with the MongoDB database.
The driver for JavaScript comes out of the box. The MongoDB shell which is used to work with MongoDB database is actually a javascript shell. To access it
Step 2) Enter following program into shell
var myMessage='Hello World'; printjson(myMessage);
Code Explanation:
We are just declaring a simple Javascript variable to store a string called ‘Hello World.’
We are using the printjson method to print the variable to the screen.
Install Python DriverStep 1) Ensure Python is installed on the system
Step 2) Install the mongo related drivers by issuing the below command
pip install pymongo Install Ruby DriverStep 1) Ensure Ruby is installed on the system
Step 2) Ensure gems is updated by issuing the command
gem update -systemStep 3) Install the mongo related drivers by issuing the below command
gem install mong Install MongoDB Compass- MongoDB Management ToolThere are tools in the market which are available for managing MongoDB. One such non-commercial tool is MongoDB Compass.
Some of the features of Compass are given below:
Full power of the Mongoshell
Multiple shells
Multiple results
Step 4) Installation will auto-start
Step 5) Compass will launch with a Welcome screen
Step 7) You will see homescreen with list of current databases.
MongoDB Configuration, Import, and Export
Before starting the MongoDB server, the first key aspect is to configure the data directory where all the MongoDB data will be stored. This can be done in the following way
The above command ‘md datadb’ makes a directory called datadb in your current location.
MongoDB will automatically create the databases in this location, because this is the default location for MongoDB to store its information. We are just ensuring the directory is present, so that MongoDB can find it when it starts.
The import of data into MongoDB is done using the “mongoimport” command. The following example shows how this can be done.
Step 1) Create a CSV file called chúng tôi and put the following data in it
Employeeid,EmployeeName
Guru99
Mohan
Smith
So in the above example, we are assuming we want to import 3 documents into a collection called data. The first row is called the header line which will become the Field names of the collection.
Step 2) Issue the mongo import command
Code Explanation:
We are specifying the db option to say which database the data should be imported to
The type option is to specify that we are importing a csv file
Remember that the first row is called the header line which will become the Field names of the collection, that is why we specify the –headerline option. And then we specify our chúng tôi file.
Output
The output clearly shows that 3 documents were imported into MongoDB.
Exporting MongoDB is done by using the mongoexport command
Code Explanation:
We are specifying the db option to say which database the data should be exported from.
We are specifying the collection option to say which collection to use
The third option is to specify that we want to export to a csv file
The fourth is to specify which fields of the collection should be exported.
The –out option specifies the name of the csv file to export the data to.
Output
The output clearly shows that 3 records were exported from MongoDB.
Configuring MongoDB server with configuration fileOne can configure the mongod server instance to startup with a configuration file. The configuration file contains settings that are equivalent to the mongod command-line options.
For example, supposed you wanted MongoDB to store all its logging information to a custom location then follow the below steps
Step 1) Create a file called, “mongod.conf” and store the below information in the file
The first line of the file specifies that we want to add configuration for the system log file, that is where the information about what the server is doing in a custom log file.
The second option is to mention that the location will be a file.
This mentions the location of the log file
The logAppend: “true” means to ensure that the log information keeps on getting added to the log file. If you put the value as “false”, then the file would be deleted and created fresh whenever the server starts again.
Step 2) Start the mongod server process and specify the above created configuration file as a parameter. The screenshot of how this can be done is shown below
Once the above command is executed, the server process will start using this configuration file, and if you go to the /etc. directory on your system, you will see the chúng tôi file created.
The below snapshot shows an example of what a log file would look like.
How to Install MongoDB on Cloud (AWS, Google, Azure)You do not need install the MongoDB server and configure it. You can deploy MongoDB Atlas server on the cloud on platforms like AWS, Google Cloud, Azure and connect to the instance using a client. Below are the detailed steps
Step 1) Go to the link
Enter Personal Details
Agree to terms
Step 4) Cluster creation takes some time:
Step 5) After some time you will see
Step 7) In next screen,
Enter user credentials
Assign privileges
Whitelist your IP connection
Choose the connection method
Step 9) Select the connection method of your choice to connect to MongoDB server
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