How do I run a SQL query in MongoDB?

Can we run SQL queries on MongoDB?

Please note that MongoDB does not natively support SQL features. The SQL query is validated and translated into a MongoDB query and executed by NoSQLBooster for MongoDB. The Equivalent MongoDB Query can be viewed in the console.

How do I run a query in MongoDB?

How to Execute Database Query in MongoDB

  1. use DATABASE_NAME command is used to create database Example: >use hdfc switched to db mydb.
  2. db command is used to check currently selected database Example: >db mydb.
  3. show dbs command check all database lists Example: >show dbs local 0.78125GB test 0.23012GB.

Which command in MongoDB is equivalent to SQL select?


SQL SELECT Statements MongoDB find() Statements
SELECT * FROM people WHERE status = “A” ORDER BY user_id ASC db.people.find( { status: “A” } ).sort( { user_id: 1 } )
SELECT * FROM people WHERE status = “A” ORDER BY user_id DESC db.people.find( { status: “A” } ).sort( { user_id: -1 } )

How do I run a SQL query?

Learn More about Running SQL Queries

  1. Choose a database engine for your needs and install it.
  2. Start up the database engine, and connect to it using your SQL client.
  3. Write SQL queries in the client (and even save them to your computer).
  4. Run the SQL query on your data.
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Why we go for MongoDB rather than SQL?

MongoDB is almost 100 times faster than traditional database system like RDBMS, which is slower in comparison with the NoSQL databases. … MongoDB supports deep query-ability i.e we can perform dynamic queries on documents using the document-based query language that’s nearly as powerful as SQL.

What is NoSQL vs SQL?

SQL databases are relational, NoSQL databases are non-relational. … SQL databases are table-based, while NoSQL databases are document, key-value, graph, or wide-column stores. SQL databases are better for multi-row transactions, while NoSQL is better for unstructured data like documents or JSON.

Where are MongoDB commands executed?

Connect to MongoDB database

Then type mongo command to run the shell. Now you are in the Mongo shell. If you want, you can run the mongo and mongod without the command prompt. To do this, go to the installation location and double click on the mongod and mongo applications.

How do I list all files in MongoDB?

Connect to a database using the getDatabase() method. Get the object of the collection from which you want to retrieve the documents, using the getCollection() method. Retrieve the iterable object containing all the documents of the current collection by invoking the find() method.

How do I select a query in MongoDB?

To specify equality conditions, use <field>:<value> expressions in the query filter document: { <field1>: <value1>, … } The MongoDB Compass query bar autocompletes the current query based on the keys in your collection’s documents, including keys in embedded sub-documents.

What is a row called in MongoDB?

The rows (or documents as called in MongoDB) doesn’t need to have a schema defined beforehand. Instead, the fields can be created on the fly. The data model available within MongoDB allows you to represent hierarchical relationships, to store arrays, and other more complex structures more easily.

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