![]() We even explored the different commands associated with creating databases in MongoDB like use, db, show, etc. In this article, we learned when and how to create a database in MongoDB in different ways. Related Topicsīecome an Expert in MongoDB With Simplilearn We have now successfully created and inserted data into our database in MongoDB. Run the show dbs command to now list the existing databases. If the document is inserted successfully, the following data is displayed:Ħ. Our collection name here we are assuming to be Student, and we insert the following document in our database. We now insert data into our database by first creating a collection. The reason why our newly created database is not listed here is that MongoDB actually creates and stores our database only when we insert some values or data in it. We check the existing databases again to check if our newly created database exists. We need to use the db command to confirm creating and connecting to our databaseĤ. Since does not exist, we now apply the use command implemented earlier to create and connect our database.ģ. We check if that database exists just like we have done before using the show dbs command that lists out all the existing databases.Ģ. Let us assume that we want to create the database called mentioned before. To create a database using the MongoDB shell, implement the following steps -ġ. It is for us now to follow the complete procedure for successfully creating this database. We can see that the database with the name db1 does not exist. We first need to check if this database already exists or not. Suppose we need to create a database in MongoDB called. If this is what we need, then it is preferable to create a MongoDB database instead of a MySQL one. When to Create a Database in MongoDB?Ī MongoDB NoSQL database is preferred over a MySQL database whenever we need to follow a rich document model to store a variety of data instead of the traditional table-based 2-dimensional row-column structured data. ![]() How and When to Create a Database in MongoDB?īefore seeing how to create such a database, let us see when to actually create a database in MongoDB. Now that we have explored the use command, let us now see the complete procedure for creating a database in MongoDB. We use the show dbs command to check the complete databases list. In order to check which database are we connected to now, we use the command db. We implement this using the use DATABASE_NAME command in MongoDB in the following way. Given that we want to create a database with the name. Let us now explore a few examples to demonstrate the implementation of the above-mentioned command in MongoDB. ![]() In this, the keyword use is used to switch to the mentioned database in case it exists or create a new one if it does not. The use command in MongoDB is defined using the following syntax: Let us now see the syntax of this use command in MongoDB. The use DATABASE_NAME command in MongoDB is used to create a database if it does not exist, else, it returns to the already existing database. Before diving into creating and deploying a database, let us understand the basics of MongoDB commands. ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |