MongoDB Starting and Database Creation

In this video we are discussing MongoDB starting and database creation

Now what is the command with the help of which we can initiate the MongoDB

So open up the command prompt for Windows or terminal for Linux and then type Mongo to

start the Mongo shell. So here you see we have shown you in the Linux environment

So dollar prompt is there. So here we have typed this Mongo and the Mongo has got started and here we are getting

the Mongo shell prompt. So, there is a greater than symbol. So, type Mongo to start the Mongo

shell and we have typed the Mongo command and respective shell has got obtained. This prompt

is indicating that the shell has got loaded. Now, in the Mongo shell, type use database name

So, whatever the database name you prefer? So that has to be written. So it will create a new

database and use it as the current database. So if the database is pre-agreacted, you know, you'd. So if the database is pre-agreacted

it will use that one. Otherwise, if the database is not pre-existing, it will create the database

and it will use it. So, here you see in the prompt we have written use new DB

So, this particular message will be displayed that is switched to DB, new DB. So now we

can use this particular database. Now we can go for different other commands execution on this

respective database. So I think it is better. Let us go for one practical demonstration to show

you that how this command is actually working. First we shall open one terminal. So control altered T a terminal has got opened now we shall go for pseudo service MongoDB and then start

It is asking for the password I given the password here So now the service has got started so I shall go for MongoDB I shall go for Mongo to get our shell so now

we shall go for show DBS so I want to see all the pre-existing databases we're

having admin config and local so three databases are there now let me create my own

database I shall go for use my database so that is my database so switch to db my database so if you go for db I can see that I'm

working with this my database but if I go for DBS then I'm finding that you will go

for show DBS rather so I'm finding that that my database is not coming here

because until and unless one database is having collection at least one collection

then until and unless the listing will not be coming under the show

show DBS so you see in the show DBS listing we're not getting this my database getting listed

so in this way we can create one database and we can switch to that immediately so if this

my database was pre-existing then obviously use my database will just switch to the database

but as in this case my database was not pre-existing so it has created and it has switched to this

my database DB so how to delete this one so let me also show you that one so I shall go for DB that is drop database method

so I shall go for that so in my database has got deleted so in this particular

demonstration we have shown you that how to create your own database and how to delete

that one and how to use that one thanks for watching this video